diff --git a/examples/widgets/btn/lv_example_btn_1.c b/examples/widgets/btn/lv_example_btn_1.c
index fefd615a0..56cf9b8ac 100644
--- a/examples/widgets/btn/lv_example_btn_1.c
+++ b/examples/widgets/btn/lv_example_btn_1.c
@@ -3,6 +3,7 @@
 
 static void event_handler(lv_obj_t * obj, lv_event_t event)
 {
+    LV_UNUSED(obj);
     if(event == LV_EVENT_CLICKED) {
         LV_LOG_USER("Clicked\n");
     }
diff --git a/examples/widgets/chart/lv_example_chart_2.c b/examples/widgets/chart/lv_example_chart_2.c
index 62ebc43a0..4351477e7 100644
--- a/examples/widgets/chart/lv_example_chart_2.c
+++ b/examples/widgets/chart/lv_example_chart_2.c
@@ -45,6 +45,7 @@ static void event_cb(lv_obj_t * obj, lv_event_t e)
 
 static void add_data(lv_timer_t * timer)
 {
+    LV_UNUSED(timer);
     static uint32_t cnt = 0;
     lv_chart_set_next_value(chart1, ser1, lv_rand(20, 90));
 
diff --git a/examples/widgets/chart/lv_example_chart_3.c b/examples/widgets/chart/lv_example_chart_3.c
index a49af647c..c7b5de872 100644
--- a/examples/widgets/chart/lv_example_chart_3.c
+++ b/examples/widgets/chart/lv_example_chart_3.c
@@ -3,6 +3,7 @@
 
 static void event_cb(lv_obj_t * chart, lv_event_t e)
 {
+    LV_UNUSED(chart);
     if(e == LV_EVENT_DRAW_PART_BEGIN) {
         lv_obj_draw_hook_dsc_t * hook_dsc = lv_event_get_param();
         if(hook_dsc->part == LV_PART_MARKER && hook_dsc->sub_part_id == LV_CHART_AXIS_X) {
diff --git a/examples/widgets/img/lv_example_img_2.c b/examples/widgets/img/lv_example_img_2.c
index 632d85311..280d7d98b 100644
--- a/examples/widgets/img/lv_example_img_2.c
+++ b/examples/widgets/img/lv_example_img_2.c
@@ -40,6 +40,8 @@ void lv_example_img_2(void)
 
 static void slider_event_cb(lv_obj_t * slider, lv_event_t event)
 {
+    LV_UNUSED(slider);
+
     if(event == LV_EVENT_VALUE_CHANGED) {
         /* Recolor the image based on the sliders' values */
         lv_color_t color  = lv_color_make(lv_slider_get_value(red_slider), lv_slider_get_value(green_slider), lv_slider_get_value(blue_slider));
diff --git a/examples/widgets/spinbox/lv_example_spinbox_1.c b/examples/widgets/spinbox/lv_example_spinbox_1.c
index 8ae5ff6a4..0e5c55990 100644
--- a/examples/widgets/spinbox/lv_example_spinbox_1.c
+++ b/examples/widgets/spinbox/lv_example_spinbox_1.c
@@ -6,6 +6,7 @@ static lv_obj_t * spinbox;
 
 static void lv_spinbox_increment_event_cb(lv_obj_t * btn, lv_event_t e)
 {
+    LV_UNUSED(btn);
     if(e == LV_EVENT_SHORT_CLICKED || e == LV_EVENT_LONG_PRESSED_REPEAT) {
         lv_spinbox_increment(spinbox);
     }
@@ -13,6 +14,7 @@ static void lv_spinbox_increment_event_cb(lv_obj_t * btn, lv_event_t e)
 
 static void lv_spinbox_decrement_event_cb(lv_obj_t * btn, lv_event_t e)
 {
+    LV_UNUSED(btn);
     if(e == LV_EVENT_SHORT_CLICKED || e == LV_EVENT_LONG_PRESSED_REPEAT) {
         lv_spinbox_decrement(spinbox);
     }
diff --git a/lv_conf_template.h b/lv_conf_template.h
index e360df2dd..832a3aabe 100644
--- a/lv_conf_template.h
+++ b/lv_conf_template.h
@@ -163,7 +163,7 @@ e.g. "stm32f769xx.h" or "stm32f429xx.h" */
 #define LV_USE_ASSERT_OBJ           1   /*Check the object's type and existence (e.g. not deleted). (Slow) */
 
 /*Add a custom handler when assert happens e.g. to restart the MCU*/
-#define LV_ASSERT_HANDLER_INCLUDE
+#define LV_ASSERT_HANDLER_INCLUDE   <stdint.h>
 #define LV_ASSERT_HANDLER   while(1);   /*Halt by default*/
 
 /*-------------
diff --git a/src/extra/layouts/flex/lv_flex.c b/src/extra/layouts/flex/lv_flex.c
index f3abd7718..96cf8ea34 100644
--- a/src/extra/layouts/flex/lv_flex.c
+++ b/src/extra/layouts/flex/lv_flex.c
@@ -153,6 +153,8 @@ void lv_obj_set_flex_grow(struct _lv_obj_t * obj, uint8_t grow)
 
 static void flex_update(lv_obj_t * cont, lv_obj_t * item)
 {
+    LV_UNUSED(item);
+
     if(cont->spec_attr == NULL) return;
     const lv_flex_t * f = (const lv_flex_t *)cont->spec_attr->layout_dsc;
 
@@ -187,7 +189,7 @@ static void flex_update(lv_obj_t * cont, lv_obj_t * item)
     if(track_cross_place != LV_FLEX_PLACE_START) {
         track_first_item = f->rev ? cont->spec_attr->child_cnt - 1 : 0;
         track_t t;
-        while(track_first_item < cont->spec_attr->child_cnt && track_first_item >= 0) {
+        while(track_first_item < (int32_t)cont->spec_attr->child_cnt && track_first_item >= 0) {
             /*Search the first item of the next row */
             next_track_first_item = find_track_end(cont, track_first_item, max_main_size, item_gap, &t);
             total_track_cross_size += t.track_cross_size + track_gap;
@@ -217,7 +219,7 @@ static void flex_update(lv_obj_t * cont, lv_obj_t * item)
          *cross_pos += total_track_cross_size;
     }
 
-    while(track_first_item < cont->spec_attr->child_cnt && track_first_item >= 0) {
+    while(track_first_item < (int32_t)cont->spec_attr->child_cnt && track_first_item >= 0) {
         track_t t;
         /*Search the first item of the next row */
         next_track_first_item = find_track_end(cont, track_first_item, max_main_size, item_gap, &t);
@@ -234,7 +236,7 @@ static void flex_update(lv_obj_t * cont, lv_obj_t * item)
             *cross_pos += t.track_cross_size + gap + track_gap;
         }
     }
-    LV_ASSERT_MALLOC_INTEGRITY();
+    LV_ASSERT_MEM_INTEGRITY();
 }
 
 /**
@@ -440,7 +442,7 @@ static lv_obj_t * get_next_item(lv_obj_t * cont, bool rev, int32_t * item_id)
         else return NULL;
     } else {
         (*item_id)++;
-        if((*item_id) < cont->spec_attr->child_cnt) return cont->spec_attr->children[*item_id];
+        if((*item_id) < (int32_t)cont->spec_attr->child_cnt) return cont->spec_attr->children[*item_id];
         else return NULL;
     }
 }
diff --git a/src/extra/layouts/grid/lv_grid.c b/src/extra/layouts/grid/lv_grid.c
index c6c92630d..bdb24e48c 100644
--- a/src/extra/layouts/grid/lv_grid.c
+++ b/src/extra/layouts/grid/lv_grid.c
@@ -53,7 +53,7 @@ static lv_coord_t grid_place(lv_coord_t cont_size,  bool auto_size, uint8_t plac
 /**********************
  *  GLOBAL VARIABLES
  **********************/
-const static lv_coord_t grid_12_template[12] = {LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1),
+static const lv_coord_t grid_12_template[12] = {LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1),
                                                 LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1), LV_GRID_FR(1)};
 const lv_grid_t grid_12 = {.base.update_cb = grid_update, .col_dsc = grid_12_template, .col_dsc_len = 12, .row_dsc = grid_12_template, .row_dsc_len = 12};
 
@@ -210,7 +210,7 @@ static void calc(struct _lv_obj_t * cont, _lv_grid_calc_t * calc_out)
     lv_coord_t cont_h = lv_obj_get_height_fit(cont);
     calc_out->grid_h = grid_place(cont_h, auto_h, g->row_place, row_gap, calc_out->row_num, calc_out->h, calc_out->y, false);
 
-    LV_ASSERT_MALLOC_INTEGRITY();
+    LV_ASSERT_MEM_INTEGRITY();
 }
 
 /**
diff --git a/src/extra/themes/default/lv_theme_default.c b/src/extra/themes/default/lv_theme_default.c
index 7db84a4b5..eafee398f 100644
--- a/src/extra/themes/default/lv_theme_default.c
+++ b/src/extra/themes/default/lv_theme_default.c
@@ -190,7 +190,7 @@ static bool inited;
 
 static void style_init(void)
 {
-    const static lv_style_prop_t trans_props[] = {
+    static const lv_style_prop_t trans_props[] = {
             LV_STYLE_BG_OPA, LV_STYLE_BG_COLOR, LV_STYLE_CONTENT_OPA,
             LV_STYLE_TRANSFORM_WIDTH, LV_STYLE_TRANSFORM_HEIGHT,
             LV_STYLE_TRANSFORM_ZOOM, LV_STYLE_TRANSFORM_ANGLE,
diff --git a/src/extra/widgets/calendar/lv_calendar.c b/src/extra/widgets/calendar/lv_calendar.c
index a544d068c..f654ec916 100644
--- a/src/extra/widgets/calendar/lv_calendar.c
+++ b/src/extra/widgets/calendar/lv_calendar.c
@@ -23,7 +23,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void my_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void my_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void draw_event_cb(lv_obj_t * obj, lv_event_t e);
 
 static uint8_t get_day_of_week(uint32_t year, uint32_t month, uint32_t day);
@@ -67,7 +67,7 @@ void lv_calendar_set_day_names(lv_obj_t * obj, const char * day_names[])
     lv_calendar_t * calendar = (lv_calendar_t *) obj;
     uint32_t i;
     for(i = 0; i < 7; i++) {
-        calendar->map[i] = day_names_def[i];
+        calendar->map[i] = day_names[i];
     }
 }
 
@@ -207,8 +207,9 @@ bool lv_calendar_get_pressed_date(const lv_obj_t * obj, lv_calendar_date_t * dat
  *  STATIC FUNCTIONS
  **********************/
 
-static void my_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void my_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
+    LV_UNUSED(copy);
     lv_calendar_t * calendar = (lv_calendar_t *) obj;
 
     /*Initialize the allocated 'ext' */
diff --git a/src/extra/widgets/colorwheel/lv_colorwheel.c b/src/extra/widgets/colorwheel/lv_colorwheel.c
index 681a2e595..98fbf3047 100644
--- a/src/extra/widgets/colorwheel/lv_colorwheel.c
+++ b/src/extra/widgets/colorwheel/lv_colorwheel.c
@@ -31,7 +31,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_colorwheel_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_colorwheel_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static lv_draw_res_t lv_colorwheel_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static lv_res_t lv_colorwheel_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
 
@@ -208,8 +208,10 @@ bool lv_colorwheel_get_color_mode_fixed(lv_obj_t * obj)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_colorwheel_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_colorwheel_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
+    LV_UNUSED(copy);
+
     lv_colorwheel_t * colorwheel = (lv_colorwheel_t *) obj;
     colorwheel->hsv.h = 0;
     colorwheel->hsv.s = 100;
diff --git a/src/extra/widgets/colorwheel/lv_colorwheel.h b/src/extra/widgets/colorwheel/lv_colorwheel.h
index d046bdb45..59484a52c 100644
--- a/src/extra/widgets/colorwheel/lv_colorwheel.h
+++ b/src/extra/widgets/colorwheel/lv_colorwheel.h
@@ -67,70 +67,66 @@ lv_obj_t * lv_colorwheel_create(lv_obj_t * parent, bool knob_recolor);
  *====================*/
 
 /**
- * Set the current hsv of a color picker.
- * @param colorwheel pointer to color picker object
- * @param hsv current selected hsv
+ * Set the current hsv of a color wheel.
+ * @param colorwheel pointer to color wheel object
+ * @param color current selected hsv
  * @return true if changed, otherwise false
  */
-bool lv_colorwheel_set_hsv(lv_obj_t * colorwheel, lv_color_hsv_t hsv);
+bool lv_colorwheel_set_hsv(lv_obj_t * obj, lv_color_hsv_t hsv);
 
 /**
- * Set the current color of a color picker.
- * @param colorwheel pointer to color picker object
+ * Set the current color of a color wheel.
+ * @param colorwheel pointer to color wheel object
  * @param color current selected color
  * @return true if changed, otherwise false
  */
-bool lv_colorwheel_set_rgb(lv_obj_t * colorwheel, lv_color_t color);
+bool lv_colorwheel_set_rgb(lv_obj_t * obj, lv_color_t color);
 
 /**
  * Set the current color mode.
- * @param colorwheel pointer to color picker object
+ * @param colorwheel pointer to color wheel object
  * @param mode color mode (hue/sat/val)
  */
-void lv_colorwheel_set_mode(lv_obj_t * colorwheel, lv_colorwheel_mode_t mode);
+void lv_colorwheel_set_mode(lv_obj_t * obj, lv_colorwheel_mode_t mode);
 
 /**
  * Set if the color mode is changed on long press on center
- * @param colorwheel pointer to color picker object
+ * @param colorwheel pointer to color wheel object
  * @param fixed color mode cannot be changed on long press
  */
-void lv_colorwheel_set_fixed_mode(lv_obj_t * colorwheel, bool fixed);
+void lv_colorwheel_set_mode_fixed(lv_obj_t * obj, bool fixed);
 
 /*=====================
  * Getter functions
  *====================*/
 
+/**
+ * Get the current selected hsv of a color wheel.
+ * @param colorwheel pointer to color wheel object
+ * @return current selected hsv
+ */
+lv_color_hsv_t lv_colorwheel_get_hsv(lv_obj_t * obj);
+
+/**
+ * Get the current selected color of a color wheel.
+ * @param colorwheel pointer to color wheel object
+ * @return color current selected color
+ */
+lv_color_t lv_colorwheel_get_rgb(lv_obj_t * obj);
+
 /**
  * Get the current color mode.
- * @param colorwheel pointer to color picker object
+ * @param colorwheel pointer to color wheel object
  * @return color mode (hue/sat/val)
  */
-lv_colorwheel_mode_t lv_colorwheel_get_mode(lv_obj_t * colorwheel);
-
-/**
- * Get the current hue of a color picker.
- * @param colorwheel pointer to color picker object
- * @return current selected hue
- */
-lv_color_hsv_t lv_colorwheel_get_hsv(lv_obj_t * colorwheel);
-
-/**
- * Get the current selected color of a color picker.
- * @param colorwheel pointer to color picker object
- * @return current selected color
- */
-lv_color_t lv_colorwheel_get_rgb(lv_obj_t * colorwheel);
+lv_colorwheel_mode_t lv_colorwheel_get_color_mode(lv_obj_t * obj);
 
 /**
  * Get if the color mode is changed on long press on center
- * @param colorwheel pointer to color picker object
+ * @param colorwheel pointer to color wheel object
  * @return mode cannot be changed on long press
  */
-bool lv_colorwheel_get_fix_mode(lv_obj_t * colorwheel);
-
-/*=====================
- * Other functions
- *====================*/
+bool lv_colorwheel_get_color_mode_fixed(lv_obj_t * obj);
 
 /**********************
  *      MACROS
diff --git a/src/extra/widgets/imgbtn/lv_imgbtn.c b/src/extra/widgets/imgbtn/lv_imgbtn.c
index d7af625c6..37fafc045 100644
--- a/src/extra/widgets/imgbtn/lv_imgbtn.c
+++ b/src/extra/widgets/imgbtn/lv_imgbtn.c
@@ -23,7 +23,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_imgbtn_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_imgbtn_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static lv_draw_res_t lv_imgbtn_draw(lv_obj_t * imgbtn, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static lv_res_t lv_imgbtn_signal(lv_obj_t * imgbtn, lv_signal_t sign, void * param);
 static void refr_img(lv_obj_t * imgbtn);
@@ -150,8 +150,10 @@ const void * lv_imgbtn_get_src_right(lv_obj_t * obj, lv_imgbtn_state_t state)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_imgbtn_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_imgbtn_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
+    LV_UNUSED(copy);
+
    lv_imgbtn_t * imgbtn = (lv_imgbtn_t *) obj;
    /*Initialize the allocated 'ext' */
    lv_memset_00((void *)imgbtn->img_src_mid, sizeof(imgbtn->img_src_mid));
@@ -186,7 +188,6 @@ static lv_draw_res_t lv_imgbtn_draw(lv_obj_t * obj, const lv_area_t * clip_area,
         lv_obj_draw_base(&lv_imgbtn_class, obj, clip_area, mode);
 
         /*Just draw an image*/
-        lv_imgbtn_t * imgbtn = (lv_imgbtn_t *) obj;
         lv_imgbtn_state_t state  = suggest_state(obj, get_state(obj));
 
         /*Simply draw the middle src if no tiled*/
diff --git a/src/extra/widgets/keyboard/lv_keyboard.c b/src/extra/widgets/keyboard/lv_keyboard.c
index 389f9a7dd..22300ab89 100644
--- a/src/extra/widgets/keyboard/lv_keyboard.c
+++ b/src/extra/widgets/keyboard/lv_keyboard.c
@@ -23,7 +23,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void my_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_keyboard_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 
 static void lv_keyboard_update_map(lv_obj_t * obj);
 
@@ -31,7 +31,7 @@ static void lv_keyboard_update_map(lv_obj_t * obj);
  *  STATIC VARIABLES
  **********************/
 const lv_obj_class_t lv_keyboard_class = {
-    .constructor_cb = my_constructor,
+    .constructor_cb = lv_keyboard_constructor,
     .instance_size = sizeof(lv_keyboard_t),
     .editable = 1,
     .base_class = &lv_btnmatrix_class
@@ -255,7 +255,7 @@ void lv_keyboard_def_event_cb(lv_obj_t * obj, lv_event_t event)
         if(res != LV_RES_OK) return;
 
         if(keyboard->ta) {
-            lv_res_t res = lv_event_send(keyboard->ta, LV_EVENT_CANCEL, NULL);
+            res = lv_event_send(keyboard->ta, LV_EVENT_CANCEL, NULL);
             if(res != LV_RES_OK) return;
         }
         lv_keyboard_set_textarea(obj, NULL); /*De-assign the text area  to hide it cursor if needed*/
@@ -266,7 +266,7 @@ void lv_keyboard_def_event_cb(lv_obj_t * obj, lv_event_t event)
         if(res != LV_RES_OK) return;
 
         if(keyboard->ta) {
-            lv_res_t res = lv_event_send(keyboard->ta, LV_EVENT_READY, NULL);
+            res = lv_event_send(keyboard->ta, LV_EVENT_READY, NULL);
             if(res != LV_RES_OK) return;
         }
 
@@ -315,14 +315,17 @@ void lv_keyboard_def_event_cb(lv_obj_t * obj, lv_event_t event)
  *   STATIC FUNCTIONS
  **********************/
 
-static void my_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_keyboard_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
+    LV_UNUSED(copy);
+
     lv_obj_clear_flag(obj, LV_OBJ_FLAG_CLICK_FOCUSABLE);
 
     lv_keyboard_t * keyboard = (lv_keyboard_t *) obj;
     keyboard->ta         = NULL;
     keyboard->mode       = LV_KEYBOARD_MODE_TEXT_LOWER;
 
+    lv_obj_t * parent = lv_obj_get_parent(obj);
     lv_obj_set_size(obj, lv_obj_get_width_fit(parent), lv_obj_get_height_fit(parent) / 2);
     lv_obj_align(obj, NULL, LV_ALIGN_IN_BOTTOM_MID, 0, 0);
     lv_obj_add_event_cb(obj, lv_keyboard_def_event_cb, NULL);
diff --git a/src/extra/widgets/led/lv_led.c b/src/extra/widgets/led/lv_led.c
index acf1d8138..b65344e7e 100644
--- a/src/extra/widgets/led/lv_led.c
+++ b/src/extra/widgets/led/lv_led.c
@@ -31,7 +31,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_led_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_led_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static lv_draw_res_t lv_led_draw(lv_obj_t * led, const lv_area_t * clip_area, lv_draw_mode_t mode);
 
 /**********************
@@ -72,10 +72,13 @@ lv_obj_t * lv_led_create(lv_obj_t * parent)
  * @param led       pointer to a LED object
  * @param color     the color of the the LED
  */
-void lv_led_set_color(lv_obj_t * led, lv_color_t color)
+void lv_led_set_color(lv_obj_t * obj, lv_color_t color)
 {
-
+    lv_led_t * led = (lv_led_t *) obj;
+    led->color = color;
+    lv_obj_invalidate(obj);
 }
+
 /**
  * Set the brightness of a LED object
  * @param led pointer to a LED object
@@ -83,7 +86,6 @@ void lv_led_set_color(lv_obj_t * led, lv_color_t color)
  */
 void lv_led_set_brightness(lv_obj_t * obj, uint8_t bright)
 {
-    /*Set the brightness*/
     lv_led_t * led = (lv_led_t *) obj;
     if(led->bright == bright) return;
 
@@ -146,9 +148,9 @@ uint8_t lv_led_get_brightness(const lv_obj_t * obj)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_led_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_led_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
-
+    LV_UNUSED(copy);
     lv_led_t * led = (lv_led_t *) obj;
     led->color = lv_theme_get_color_primary();
     led->bright = LV_LED_BRIGHT_MAX;
diff --git a/src/extra/widgets/spinbox/lv_spinbox.c b/src/extra/widgets/spinbox/lv_spinbox.c
index fac783135..42e81a6c4 100644
--- a/src/extra/widgets/spinbox/lv_spinbox.c
+++ b/src/extra/widgets/spinbox/lv_spinbox.c
@@ -22,8 +22,7 @@
  *  STATIC PROTOTYPES
  **********************/
 
-static void lv_spinbox_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
-static void lv_spinbox_destructor(lv_obj_t * obj);
+static void lv_spinbox_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static lv_res_t lv_spinbox_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
 static void lv_spinbox_updatevalue(lv_obj_t * obj);
 
@@ -32,7 +31,6 @@ static void lv_spinbox_updatevalue(lv_obj_t * obj);
  **********************/
 const lv_obj_class_t lv_spinbox_class = {
     .constructor_cb = lv_spinbox_constructor,
-    .destructor_cb = lv_spinbox_destructor,
     .signal_cb = lv_spinbox_signal,
     .instance_size = sizeof(lv_spinbox_t),
     .editable = LV_OBJ_CLASS_EDITABLE_TRUE,
@@ -266,10 +264,11 @@ void lv_spinbox_decrement(lv_obj_t * obj)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_spinbox_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_spinbox_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
-    LV_LOG_TRACE("spinbox create started");
+    LV_UNUSED(copy);
 
+    LV_LOG_TRACE("spinbox create started");
 
     lv_spinbox_t * spinbox = (lv_spinbox_t *) obj;
 
@@ -291,11 +290,6 @@ static void lv_spinbox_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_o
     LV_LOG_INFO("spinbox created");
 }
 
-static void lv_spinbox_destructor(lv_obj_t * obj)
-{
-
-}
-
 static lv_res_t lv_spinbox_signal(lv_obj_t * obj, lv_signal_t sign, void * param)
 {
     /* Include the ancient signal function */
diff --git a/src/extra/widgets/tabview/lv_tabview.c b/src/extra/widgets/tabview/lv_tabview.c
index 9640348f4..35c7569e4 100644
--- a/src/extra/widgets/tabview/lv_tabview.c
+++ b/src/extra/widgets/tabview/lv_tabview.c
@@ -20,7 +20,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_tabview_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_tabview_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void lv_tabview_destructor(lv_obj_t * obj);
 static void btns_event_cb(lv_obj_t * btns, lv_event_t e);
 static void cont_event_cb(lv_obj_t * cont, lv_event_t e);
@@ -145,8 +145,9 @@ lv_obj_t * lv_tabview_get_tab_btns(lv_obj_t * tv)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_tabview_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_tabview_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
+    LV_UNUSED(copy);
     lv_tabview_t * tabview = (lv_tabview_t *) obj;
 
     tabview->tab_pos = tabpos_create;
diff --git a/src/extra/widgets/tileview/lv_tileview.c b/src/extra/widgets/tileview/lv_tileview.c
index 9434b7874..6d1d501e4 100644
--- a/src/extra/widgets/tileview/lv_tileview.c
+++ b/src/extra/widgets/tileview/lv_tileview.c
@@ -20,8 +20,8 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_tileview_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
-static void lv_tileview_tile_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_tileview_constructor(lv_obj_t * obj, const lv_obj_t * copy);
+static void lv_tileview_tile_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void tileview_event_cb(lv_obj_t * tv, lv_event_t e);
 
 /**********************
@@ -107,8 +107,9 @@ void lv_obj_set_tile_id(lv_obj_t * tv, uint32_t col_id, uint32_t row_id, lv_anim
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_tileview_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_tileview_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
+    LV_UNUSED(copy);
     lv_obj_set_size(obj, LV_SIZE_PCT(100), LV_SIZE_PCT(100));
     lv_obj_add_event_cb(obj, tileview_event_cb, NULL);
     lv_obj_add_flag(obj, LV_OBJ_FLAG_SCROLL_ONE);
@@ -117,8 +118,10 @@ static void lv_tileview_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_
 
 }
 
-static void lv_tileview_tile_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_tileview_tile_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
+    LV_UNUSED(copy);
+    lv_obj_t * parent = lv_obj_get_parent(obj);
     lv_obj_set_size(obj, LV_SIZE_PCT(100), LV_SIZE_PCT(100));
     lv_obj_set_pos(obj, create_col_id * lv_obj_get_width_fit(parent),  create_row_id * lv_obj_get_height_fit(parent));
 
diff --git a/src/extra/widgets/win/lv_win.c b/src/extra/widgets/win/lv_win.c
index ee74ff36b..ce48b05bb 100644
--- a/src/extra/widgets/win/lv_win.c
+++ b/src/extra/widgets/win/lv_win.c
@@ -21,7 +21,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_win_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_win_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 
 /**********************
  *  STATIC VARIABLES
@@ -80,8 +80,10 @@ lv_obj_t * lv_win_get_content(lv_obj_t * win)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_win_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_win_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
+    LV_UNUSED(copy);
+    lv_obj_t * parent = lv_obj_get_parent(obj);
     lv_obj_set_size(obj, lv_obj_get_width(parent), lv_obj_get_height(parent));
     lv_obj_set_layout(obj, &lv_flex_stacked);
 
diff --git a/src/lv_conf_internal.h b/src/lv_conf_internal.h
index abd8da699..9900b49ee 100644
--- a/src/lv_conf_internal.h
+++ b/src/lv_conf_internal.h
@@ -401,7 +401,7 @@ e.g. "stm32f769xx.h" or "stm32f429xx.h" */
 #  ifdef CONFIG_LV_ASSERT_HANDLER_INCLUDE
 #    define LV_ASSERT_HANDLER_INCLUDE CONFIG_LV_ASSERT_HANDLER_INCLUDE
 #  else
-#    define  LV_ASSERT_HANDLER_INCLUDE
+#    define  LV_ASSERT_HANDLER_INCLUDE  <stdint.h>
 #  endif
 #endif
 #ifndef LV_ASSERT_HANDLER
diff --git a/src/lv_core/lv_obj.c b/src/lv_core/lv_obj.c
index d85b442d4..a2ea1792f 100644
--- a/src/lv_core/lv_obj.c
+++ b/src/lv_core/lv_obj.c
@@ -68,7 +68,7 @@ static void draw_scrollbar(lv_obj_t * obj, const lv_area_t * clip_area);
 static lv_res_t scrollbar_init_draw_dsc(lv_obj_t * obj, lv_draw_rect_dsc_t * dsc);
 static bool obj_valid_child(const lv_obj_t * parent, const lv_obj_t * obj_to_find);
 static void base_dir_refr_children(lv_obj_t * obj);
-static void lv_obj_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_obj_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void lv_obj_destructor(lv_obj_t * obj);
 
 /**********************
@@ -585,8 +585,9 @@ bool lv_obj_is_valid(const lv_obj_t * obj)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_obj_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_obj_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
+    lv_obj_t * parent = obj->parent;
     /*Create a screen*/
     if(parent == NULL) {
         LV_LOG_TRACE("Screen create started");
diff --git a/src/lv_core/lv_obj_class.c b/src/lv_core/lv_obj_class.c
index b995fda54..adbf828e1 100644
--- a/src/lv_core/lv_obj_class.c
+++ b/src/lv_core/lv_obj_class.c
@@ -46,7 +46,7 @@ lv_obj_t * lv_obj_create_from_class(const lv_obj_class_t * class_p, lv_obj_t * p
     lv_obj_t * obj = lv_mem_alloc(s);
     lv_memset_00(obj, s);
     obj->class_p = class_p;
-
+    obj->parent = parent;
     const lv_obj_class_t * class_start = class_p;
 
     while(class_start && class_start->constructor_cb == NULL) class_start = class_start->base_class;
@@ -54,8 +54,6 @@ lv_obj_t * lv_obj_create_from_class(const lv_obj_class_t * class_p, lv_obj_t * p
 //    class_start->constructor_cb(obj, parent, copy);
     lv_obj_construct(obj, parent, copy);
 
-//   lv_obj_set_pos(obj, 0, 0);
-
    if(parent) {
        /* Send a signal to the parent to notify it about the new child.
         * Also triggers layout update*/
@@ -144,7 +142,7 @@ static void lv_obj_construct(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t *
     /*Restore the original class*/
     obj->class_p = original_class_p;
 
-    if(obj->class_p->constructor_cb) obj->class_p->constructor_cb(obj, parent, copy);
+    if(obj->class_p->constructor_cb) obj->class_p->constructor_cb(obj, copy);
 
 
 }
diff --git a/src/lv_core/lv_obj_class.h b/src/lv_core/lv_obj_class.h
index bfb89a6e5..246862462 100644
--- a/src/lv_core/lv_obj_class.h
+++ b/src/lv_core/lv_obj_class.h
@@ -39,7 +39,7 @@ typedef enum {
  */
 typedef struct _lv_obj_class_t{
     const struct _lv_obj_class_t * base_class;
-    void (*constructor_cb)(struct _lv_obj_t * obj, struct _lv_obj_t * parent, const struct _lv_obj_t * copy);
+    void (*constructor_cb)(struct _lv_obj_t * obj, const struct _lv_obj_t * copy);
     void (*destructor_cb)(struct _lv_obj_t * obj);
     lv_signal_cb_t signal_cb;       /**< Object type specific signal function*/
     lv_draw_cb_t draw_cb;           /**< Object type specific draw function*/
diff --git a/src/lv_core/lv_obj_style.c b/src/lv_core/lv_obj_style.c
index cc88d785b..2d1efbd99 100644
--- a/src/lv_core/lv_obj_style.c
+++ b/src/lv_core/lv_obj_style.c
@@ -42,7 +42,6 @@ typedef enum {
 /**********************
  *  GLOBAL PROTOTYPES
  **********************/
-uint8_t lv_style_get_prop_group(lv_style_prop_t prop);
 
 /**********************
  *  STATIC PROTOTYPES
@@ -491,7 +490,7 @@ static bool get_prop_core(const lv_obj_t * obj, uint8_t part, lv_style_prop_t pr
         break;
     }
 
-    uint8_t group = 1 << lv_style_get_prop_group(prop);
+    uint8_t group = 1 << _lv_style_get_prop_group(prop);
     int32_t weight = -1;
     lv_state_t state = obj->state;
     lv_state_t state_inv = ~state;
diff --git a/src/lv_core/lv_obj_tree.c b/src/lv_core/lv_obj_tree.c
index 8d6561f82..8124f7645 100644
--- a/src/lv_core/lv_obj_tree.c
+++ b/src/lv_core/lv_obj_tree.c
@@ -25,8 +25,6 @@
  *      TYPEDEFS
  **********************/
 
-void lv_obj_destruct(lv_obj_t * obj);
-
 /**********************
  *  STATIC PROTOTYPES
  **********************/
diff --git a/src/lv_core/lv_refr.c b/src/lv_core/lv_refr.c
index 486fed1fd..3a5a25a45 100644
--- a/src/lv_core/lv_refr.c
+++ b/src/lv_core/lv_refr.c
@@ -276,14 +276,14 @@ void _lv_disp_refr_task(lv_timer_t * tmr)
     static lv_obj_t * perf_label = NULL;
     if(perf_label == NULL) {
         perf_label = lv_label_create(lv_layer_sys(), NULL);
-        lv_label_set_align(perf_label, LV_TEXT_ALIGN_RIGHT);
-        lv_obj_set_style_local_bg_opa(perf_label, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_OPA_COVER);
-        lv_obj_set_style_local_bg_color(perf_label, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_BLACK);
-        lv_obj_set_style_local_text_color(perf_label, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_WHITE);
-        lv_obj_set_style_local_pad_top(perf_label, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, 3);
-        lv_obj_set_style_local_pad_bottom(perf_label, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, 3);
-        lv_obj_set_style_local_pad_left(perf_label, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, 3);
-        lv_obj_set_style_local_pad_right(perf_label, LV_LABEL_PART_MAIN, LV_STATE_DEFAULT, 3);
+        lv_obj_set_style_bg_opa(perf_label, LV_PART_MAIN, LV_STATE_DEFAULT, LV_OPA_COVER);
+        lv_obj_set_style_bg_color(perf_label, LV_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_BLACK);
+        lv_obj_set_style_text_color(perf_label, LV_PART_MAIN, LV_STATE_DEFAULT, LV_COLOR_WHITE);
+        lv_obj_set_style_pad_top(perf_label, LV_PART_MAIN, LV_STATE_DEFAULT, 3);
+        lv_obj_set_style_pad_bottom(perf_label, LV_PART_MAIN, LV_STATE_DEFAULT, 3);
+        lv_obj_set_style_pad_left(perf_label, LV_PART_MAIN, LV_STATE_DEFAULT, 3);
+        lv_obj_set_style_pad_right(perf_label, LV_PART_MAIN, LV_STATE_DEFAULT, 3);
+        lv_obj_set_style_text_align(perf_label, LV_PART_MAIN, LV_STATE_DEFAULT, LV_TEXT_ALIGN_RIGHT);
         lv_label_set_text(perf_label, "?");
         lv_obj_align(perf_label, NULL, LV_ALIGN_IN_BOTTOM_RIGHT, 0, 0);
     }
@@ -311,7 +311,7 @@ void _lv_disp_refr_task(lv_timer_t * tmr)
 
         fps_sum_all += fps;
         fps_sum_cnt ++;
-        uint32_t cpu = 100 - lv_task_get_idle();
+        uint32_t cpu = 100 - lv_timer_get_idle();
         lv_label_set_text_fmt(perf_label, "%d FPS\n%d%% CPU", fps, cpu);
         lv_obj_align(perf_label, NULL, LV_ALIGN_IN_BOTTOM_RIGHT, 0, 0);
     }
diff --git a/src/lv_draw/lv_draw_arc.c b/src/lv_draw/lv_draw_arc.c
index 1df0adfa2..3e8c74e04 100644
--- a/src/lv_draw/lv_draw_arc.c
+++ b/src/lv_draw/lv_draw_arc.c
@@ -209,6 +209,13 @@ void lv_draw_arc(lv_coord_t center_x, lv_coord_t center_y, uint16_t radius,  uin
     }
 #else
     LV_LOG_WARN("Can't draw arc with LV_DRAW_COMPLEX == 0");
+    LV_UNUSED(center_x);
+    LV_UNUSED(center_y);
+    LV_UNUSED(radius);
+    LV_UNUSED(start_angle);
+    LV_UNUSED(end_angle);
+    LV_UNUSED(clip_area);
+    LV_UNUSED(dsc);
 #endif /*LV_DRAW_COMPLEX*/
 }
 
diff --git a/src/lv_draw/lv_draw_blend.c b/src/lv_draw/lv_draw_blend.c
index 3aa17a3bd..e2dccc15a 100644
--- a/src/lv_draw/lv_draw_blend.c
+++ b/src/lv_draw/lv_draw_blend.c
@@ -675,7 +675,7 @@ LV_ATTRIBUTE_FAST_MEM static void map_normal(const lv_area_t * disp_area, lv_col
     const lv_color_t * map_buf_first = map_buf + map_w * (draw_area->y1 - (map_area->y1 - disp_area->y1));
     map_buf_first += (draw_area->x1 - (map_area->x1 - disp_area->x1));
 
-#if LV_COLOR_SCREEN_TRANSP || LV_USE_GPU
+#if LV_COLOR_SCREEN_TRANSP
     lv_disp_t * disp = _lv_refr_get_disp_refreshing();
 #endif
 
diff --git a/src/lv_draw/lv_draw_label.c b/src/lv_draw/lv_draw_label.c
index d70e362f1..cb0c18173 100644
--- a/src/lv_draw/lv_draw_label.c
+++ b/src/lv_draw/lv_draw_label.c
@@ -38,10 +38,10 @@ LV_ATTRIBUTE_FAST_MEM static void lv_draw_letter(const lv_point_t * pos_p, const
 LV_ATTRIBUTE_FAST_MEM static void draw_letter_normal(lv_coord_t pos_x, lv_coord_t pos_y, lv_font_glyph_dsc_t * g,
                                                      const lv_area_t * clip_area,
                                                      const uint8_t * map_p, lv_color_t color, lv_opa_t opa, lv_blend_mode_t blend_mode);
-
+#if LV_DRAW_COMPLEX
 static void draw_letter_subpx(lv_coord_t pos_x, lv_coord_t pos_y, lv_font_glyph_dsc_t * g, const lv_area_t * clip_area,
                               const uint8_t * map_p, lv_color_t color, lv_opa_t opa, lv_blend_mode_t blend_mode);
-
+#endif
 static uint8_t hex_char_to_num(char hex);
 
 /**********************
@@ -381,7 +381,7 @@ LV_ATTRIBUTE_FAST_MEM void lv_draw_label(const lv_area_t * coords, const lv_area
         if(pos.y > mask->y2) return;
     }
 
-    LV_ASSERT_MALLOC_INTEGRITY();
+    LV_ASSERT_MEM_INTEGRITY();
 }
 
 /**********************
@@ -441,8 +441,15 @@ LV_ATTRIBUTE_FAST_MEM static void lv_draw_letter(const lv_point_t * pos_p, const
         return;
     }
 
-    if(font_p->subpx) draw_letter_subpx(pos_x, pos_y, &g, clip_area, map_p, color, opa, blend_mode);
-    else draw_letter_normal(pos_x, pos_y, &g, clip_area, map_p, color, opa, blend_mode);
+    if(font_p->subpx) {
+#if LV_DRAW_COMPLEX
+    draw_letter_subpx(pos_x, pos_y, &g, clip_area, map_p, color, opa, blend_mode);
+#else
+    LV_LOG_WARN("Can't draw sub-pixel rendered letter because LV_USE_FONT_SUBPX == 0 in lv_conf.h");
+#endif
+    } else {
+        draw_letter_normal(pos_x, pos_y, &g, clip_area, map_p, color, opa, blend_mode);
+    }
 }
 
 LV_ATTRIBUTE_FAST_MEM static void draw_letter_normal(lv_coord_t pos_x, lv_coord_t pos_y, lv_font_glyph_dsc_t * g,
@@ -526,15 +533,17 @@ LV_ATTRIBUTE_FAST_MEM static void draw_letter_normal(lv_coord_t pos_x, lv_coord_
     fill_area.x2 = col_end  + pos_x - 1;
     fill_area.y1 = row_start + pos_y;
     fill_area.y2 = fill_area.y1;
-
+#if LV_DRAW_COMPLEX
     uint8_t other_mask_cnt = lv_draw_mask_get_cnt();
+#endif
 
     uint32_t col_bit_max = 8 - bpp;
     uint32_t col_bit_row_ofs = (box_w + col_start - col_end) * bpp;
 
     for(row = row_start ; row < row_end; row++) {
+#if LV_DRAW_COMPLEX
         int32_t mask_p_start = mask_p;
-
+#endif
         bitmask = bitmask_init >> col_bit;
         for(col = col_start; col < col_end; col++) {
             /*Load the pixel's opacity into the mask*/
@@ -602,10 +611,10 @@ LV_ATTRIBUTE_FAST_MEM static void draw_letter_normal(lv_coord_t pos_x, lv_coord_
     lv_mem_buf_release(mask_buf);
 }
 
+#if LV_DRAW_COMPLEX
 static void draw_letter_subpx(lv_coord_t pos_x, lv_coord_t pos_y, lv_font_glyph_dsc_t * g, const lv_area_t * clip_area,
                               const uint8_t * map_p, lv_color_t color, lv_opa_t opa, lv_blend_mode_t blend_mode)
 {
-#if LV_DRAW_COMPLEX
     const uint8_t * bpp_opa_table;
     uint32_t bitmask_init;
     uint32_t bitmask;
@@ -804,10 +813,8 @@ static void draw_letter_subpx(lv_coord_t pos_x, lv_coord_t pos_y, lv_font_glyph_
 
     lv_mem_buf_release(mask_buf);
     lv_mem_buf_release(color_buf);
-#else
-    LV_LOG_WARN("Can't draw sub-pixel rendered letter because LV_USE_FONT_SUBPX == 0 in lv_conf.h");
-#endif
 }
+#endif
 
 /**
  * Convert a hexadecimal characters to a number (0..15)
diff --git a/src/lv_draw/lv_draw_line.c b/src/lv_draw/lv_draw_line.c
index d191842f3..486db383e 100644
--- a/src/lv_draw/lv_draw_line.c
+++ b/src/lv_draw/lv_draw_line.c
@@ -124,11 +124,6 @@ LV_ATTRIBUTE_FAST_MEM static void draw_line_hor(const lv_point_t * point1, const
 {
     lv_opa_t opa = dsc->opa;
 
-    lv_disp_t * disp    = _lv_refr_get_disp_refreshing();
-    lv_disp_buf_t * vdb = lv_disp_get_buf(disp);
-
-    const lv_area_t * disp_area = &vdb->area;
-
     int32_t w = dsc->width - 1;
     int32_t w_half0 = w >> 1;
     int32_t w_half1 = w_half0 + (w & 0x1); /*Compensate rounding error*/
@@ -154,6 +149,9 @@ LV_ATTRIBUTE_FAST_MEM static void draw_line_hor(const lv_point_t * point1, const
 #if LV_DRAW_COMPLEX
     /*If there other mask apply it*/
     else {
+        lv_disp_t * disp    = _lv_refr_get_disp_refreshing();
+        lv_disp_buf_t * vdb = lv_disp_get_buf(disp);
+        const lv_area_t * disp_area = &vdb->area;
         /* Get clipped fill area which is the real draw area.
          * It is always the same or inside `fill_area` */
         bool is_common;
@@ -226,11 +224,6 @@ LV_ATTRIBUTE_FAST_MEM static void draw_line_ver(const lv_point_t * point1, const
 {
     lv_opa_t opa = dsc->opa;
 
-    lv_disp_t * disp    = _lv_refr_get_disp_refreshing();
-    lv_disp_buf_t * vdb = lv_disp_get_buf(disp);
-
-    const lv_area_t * disp_area = &vdb->area;
-
     int32_t w = dsc->width - 1;
     int32_t w_half0 = w >> 1;
     int32_t w_half1 = w_half0 + (w & 0x1); /*Compensate rounding error*/
@@ -257,6 +250,9 @@ LV_ATTRIBUTE_FAST_MEM static void draw_line_ver(const lv_point_t * point1, const
 #if LV_DRAW_COMPLEX
     /*If there other mask apply it*/
     else {
+        lv_disp_t * disp    = _lv_refr_get_disp_refreshing();
+        lv_disp_buf_t * vdb = lv_disp_get_buf(disp);
+        const lv_area_t * disp_area = &vdb->area;
         /* Get clipped fill area which is the real draw area.
          * It is always the same or inside `fill_area` */
         bool is_common;
@@ -484,6 +480,10 @@ LV_ATTRIBUTE_FAST_MEM static void draw_line_skew(const lv_point_t * point1, cons
     lv_draw_mask_remove_id(mask_top_id);
     lv_draw_mask_remove_id(mask_bottom_id);
 #else
+    LV_UNUSED(point1);
+    LV_UNUSED(point2);
+    LV_UNUSED(clip);
+    LV_UNUSED(dsc);
     LV_LOG_WARN("Can't draw skewed line with LV_DRAW_COMPLEX == 0");
 #endif /*LV_DRAW_COMPLEX*/
 }
diff --git a/src/lv_draw/lv_draw_rect.c b/src/lv_draw/lv_draw_rect.c
index 1a2a7fb10..57922b836 100644
--- a/src/lv_draw/lv_draw_rect.c
+++ b/src/lv_draw/lv_draw_rect.c
@@ -56,7 +56,7 @@ LV_ATTRIBUTE_FAST_MEM static inline lv_color_t grad_get(const lv_draw_rect_dsc_t
 /**********************
  *  STATIC VARIABLES
  **********************/
-#if LV_SHADOW_CACHE_SIZE
+#if defined(LV_SHADOW_CACHE_SIZE) && LV_SHADOW_CACHE_SIZE > 0
     static uint8_t sh_cache[LV_SHADOW_CACHE_SIZE * LV_SHADOW_CACHE_SIZE];
     static int32_t sh_cache_size = -1;
     static int32_t sh_cache_r = -1;
@@ -112,7 +112,7 @@ void lv_draw_rect(const lv_area_t * coords, const lv_area_t * clip, const lv_dra
 
     draw_outline(coords, clip, dsc);
 
-    LV_ASSERT_MALLOC_INTEGRITY();
+    LV_ASSERT_MEM_INTEGRITY();
 }
 
 /**********************
@@ -1186,7 +1186,7 @@ static void draw_content(const lv_area_t * coords, const lv_area_t * clip, const
 
 #if LV_USE_ARABIC_PERSIAN_CHARS
     size_t len = _lv_txt_ap_calc_bytes_cnt(dsc->content_text) + 1;
-    const char * txt = txt = lv_mem_buf_get(len);
+    char * txt = txt = lv_mem_buf_get(len);
     _lv_txt_ap_proc(dsc->content_text, txt);
 #else
     const char * txt = dsc->content_text;
@@ -1414,5 +1414,15 @@ static void draw_full_border(const lv_area_t * area_inner, const lv_area_t * are
     lv_draw_mask_remove_id(mask_rin_id);
     lv_draw_mask_remove_id(mask_rout_id);
     lv_mem_buf_release(mask_buf);
+
+#else /*LV_DRAW_COMPLEX*/
+    LV_UNUSED(area_inner);
+    LV_UNUSED(area_outer);
+    LV_UNUSED(clip);
+    LV_UNUSED(radius);
+    LV_UNUSED(radius_is_in);
+    LV_UNUSED(color);
+    LV_UNUSED(opa);
+    LV_UNUSED(blend_mode);
 #endif /*LV_DRAW_COMPLEX*/
 }
diff --git a/src/lv_draw/lv_draw_triangle.c b/src/lv_draw/lv_draw_triangle.c
index ea685e0d1..17f562aad 100644
--- a/src/lv_draw/lv_draw_triangle.c
+++ b/src/lv_draw/lv_draw_triangle.c
@@ -45,6 +45,9 @@ void lv_draw_triangle(const lv_point_t points[], const lv_area_t * clip_area, co
 #if LV_DRAW_COMPLEX
     lv_draw_polygon(points, 3, clip_area, draw_dsc);
 #else
+    LV_UNUSED(points);
+    LV_UNUSED(clip_area);
+    LV_UNUSED(draw_dsc);
     LV_LOG_WARN("Can't draw triangle with LV_DRAW_COMPLEX == 0");
 #endif /*LV_DRAW_COMPLEX*/
 }
@@ -199,6 +202,10 @@ void lv_draw_polygon(const lv_point_t points[], uint16_t point_cnt, const lv_are
     lv_mem_buf_release(mp);
     lv_mem_buf_release(p);
 #else
+    LV_UNUSED(points);
+    LV_UNUSED(point_cnt);
+    LV_UNUSED(clip_area);
+    LV_UNUSED(draw_dsc);
     LV_LOG_WARN("Can't draw polygon with LV_DRAW_COMPLEX == 0");
 #endif /*LV_DRAW_COMPLEX*/
 }
diff --git a/src/lv_draw/lv_img_cache.c b/src/lv_draw/lv_img_cache.c
index 1d45f0bfe..3ae10d515 100644
--- a/src/lv_draw/lv_img_cache.c
+++ b/src/lv_draw/lv_img_cache.c
@@ -195,6 +195,7 @@ void lv_img_cache_set_size(uint16_t new_entry_cnt)
  */
 void lv_img_cache_invalidate_src(const void * src)
 {
+    LV_UNUSED(src);
 #if LV_IMG_CACHE_DEF_SIZE
     lv_img_cache_entry_t * cache = LV_GC_ROOT(_lv_img_cache_array);
 
diff --git a/src/lv_misc/lv_assert.h b/src/lv_misc/lv_assert.h
index 40dbc0901..5975fb168 100644
--- a/src/lv_misc/lv_assert.h
+++ b/src/lv_misc/lv_assert.h
@@ -15,6 +15,7 @@ extern "C" {
  *********************/
 #include "../lv_conf_internal.h"
 #include <stdbool.h>
+#include LV_ASSERT_HANDLER_INCLUDE
 
 /*********************
  *      DEFINES
@@ -68,9 +69,9 @@ extern "C" {
 #endif
 
 #if LV_USE_ASSERT_MEM_INTEGRITY
-#  define LV_ASSERT_MALLOC_INTEGRITY() LV_ASSERT_MSG(lv_mem_test() == LV_RES_OK, "Memory integrity error");
+#   define LV_ASSERT_MEM_INTEGRITY() LV_ASSERT_MSG(lv_mem_test() == LV_RES_OK, "Memory integrity error");
 #else
-# define LV_ASSERT_MALLOC_INTEGRIT()
+#   define LV_ASSERT_MEM_INTEGRITY()
 #endif
 
 #ifdef __cplusplus
diff --git a/src/lv_misc/lv_misc.mk b/src/lv_misc/lv_misc.mk
index 66e6c84d6..3a79fb83d 100644
--- a/src/lv_misc/lv_misc.mk
+++ b/src/lv_misc/lv_misc.mk
@@ -14,6 +14,7 @@ CSRCS += lv_utils.c
 CSRCS += lv_async.c
 CSRCS += lv_printf.c
 CSRCS += lv_bidi.c
+CSRCS += lv_style.c
 
 DEPPATH += --dep-path $(LVGL_DIR)/$(LVGL_DIR_NAME)/src/lv_misc
 VPATH += :$(LVGL_DIR)/$(LVGL_DIR_NAME)/src/lv_misc
diff --git a/src/lv_misc/lv_style.c b/src/lv_misc/lv_style.c
index ddc8f9042..09200fec5 100644
--- a/src/lv_misc/lv_style.c
+++ b/src/lv_misc/lv_style.c
@@ -95,12 +95,12 @@ bool lv_style_remove_prop(lv_style_t * style, lv_style_prop_t prop)
             size_t size = style->prop_cnt * (sizeof(lv_style_value_t) + sizeof(uint16_t));
             uint8_t * new_values_and_props = lv_mem_alloc(size);
 
-            uint8_t * tmp = new_values_and_props + style->prop_cnt * sizeof(lv_style_value_t);
+            tmp = new_values_and_props + style->prop_cnt * sizeof(lv_style_value_t);
             uint16_t * new_props = (uint16_t *) tmp;
             lv_style_value_t * new_values = (lv_style_value_t *)new_values_and_props;
 
             uint32_t j;
-            for(j = 0; j < style->prop_cnt + 1; j++) { /* +1: because prop_cnt already reduced but all the old props. needs to be checked. */
+            for(j = 0; j < (uint32_t)style->prop_cnt + 1; j++) { /* +1: because prop_cnt already reduced but all the old props. needs to be checked. */
                 if(props[j] != prop) {
                     *new_values = values[j];
                     *new_props = props[j];
@@ -119,24 +119,11 @@ bool lv_style_remove_prop(lv_style_t * style, lv_style_prop_t prop)
     return false;
 }
 
-/**
- * Tell the group of a property. If the a property from a group is set in a style the (1 << group) bit of style->has_group is set.
- * It allows early skipping the style if the property is not exists in the style at all.
- * @param prop a style property
- * @return the group [0..7] 7 means all the custom properties with index > 112
- */
-uint8_t lv_style_get_prop_group(lv_style_prop_t prop)
-{
-    uint16_t group = (prop & 0x1FF) >> 4;
-    if(group > 7) group = 7;    /*The MSB marks all the custom properties*/
-    return (uint8_t)group;
-}
-
 void lv_style_set_prop(lv_style_t * style, lv_style_prop_t prop, lv_style_value_t value)
 {
     LV_ASSERT_STYLE(style);
 
-    uint8_t group = lv_style_get_prop_group(prop);
+    uint8_t group = _lv_style_get_prop_group(prop);
     style->has_group |= 1 << group;
 
     if(style->allocated) {
@@ -280,6 +267,12 @@ bool lv_style_is_empty(const lv_style_t * style)
     return style->prop_cnt == 0 ? true : false;
 }
 
+uint8_t _lv_style_get_prop_group(lv_style_prop_t prop)
+{
+    uint16_t group = (prop & 0x1FF) >> 4;
+    if(group > 7) group = 7;    /*The MSB marks all the custom properties*/
+    return (uint8_t)group;
+}
 /**********************
  *   STATIC FUNCTIONS
  **********************/
diff --git a/src/lv_misc/lv_style.h b/src/lv_misc/lv_style.h
index 56decfb68..18d02068c 100644
--- a/src/lv_misc/lv_style.h
+++ b/src/lv_misc/lv_style.h
@@ -360,6 +360,14 @@ lv_style_value_t lv_style_prop_get_default(lv_style_prop_t prop);
  */
 bool lv_style_is_empty(const lv_style_t * style);
 
+/**
+ * Tell the group of a property. If the a property from a group is set in a style the (1 << group) bit of style->has_group is set.
+ * It allows early skipping the style if the property is not exists in the style at all.
+ * @param prop a style property
+ * @return the group [0..7] 7 means all the custom properties with index > 112
+ */
+uint8_t _lv_style_get_prop_group(lv_style_prop_t prop);
+
 static inline void lv_style_set_radius(lv_style_t * style, lv_coord_t value) {
   lv_style_value_t v = {.num = value}; lv_style_set_prop(style, LV_STYLE_RADIUS, v); }
 
diff --git a/src/lv_misc/lv_timer.c b/src/lv_misc/lv_timer.c
index 508c3dda8..1a8ac4172 100644
--- a/src/lv_misc/lv_timer.c
+++ b/src/lv_misc/lv_timer.c
@@ -307,7 +307,7 @@ static bool lv_timer_exec(lv_timer_t * timer)
         timer_deleted   = false;
         timer_created   = false;
         if(timer->timer_cb) timer->timer_cb(timer);
-        LV_ASSERT_MALLOC_INTEGRITY();
+        LV_ASSERT_MEM_INTEGRITY();
 
         /*Delete if it was a one shot lv_timer*/
         if(timer_deleted == false) { /*The timer might be deleted by itself as well*/
diff --git a/src/lv_misc/lv_txt_ap.c b/src/lv_misc/lv_txt_ap.c
index 6bd7124ac..5651618c5 100644
--- a/src/lv_misc/lv_txt_ap.c
+++ b/src/lv_misc/lv_txt_ap.c
@@ -10,6 +10,7 @@
 #include "lv_bidi.h"
 #include "lv_txt.h"
 #include "lv_txt_ap.h"
+#include "lv_mem.h"
 #include "../lv_draw/lv_draw.h"
 
 /*********************
diff --git a/src/lv_widgets/lv_arc.c b/src/lv_widgets/lv_arc.c
index 46186611b..345d2251d 100644
--- a/src/lv_widgets/lv_arc.c
+++ b/src/lv_widgets/lv_arc.c
@@ -30,7 +30,7 @@
  *  STATIC PROTOTYPES
  **********************/
 
-static void lv_arc_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_arc_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static lv_draw_res_t lv_arc_draw(lv_obj_t * arc, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static lv_res_t lv_arc_signal(lv_obj_t * arc, lv_signal_t sign, void * param);
 static void inv_arc_area(lv_obj_t * arc, uint16_t start_angle, uint16_t end_angle, uint8_t part);
@@ -480,7 +480,7 @@ lv_arc_type_t lv_arc_get_type(const lv_obj_t * obj)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_arc_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_arc_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
     LV_LOG_TRACE("lv_arc create started");
 
diff --git a/src/lv_widgets/lv_bar.c b/src/lv_widgets/lv_bar.c
index ef00c9ea4..b780fd8a4 100644
--- a/src/lv_widgets/lv_bar.c
+++ b/src/lv_widgets/lv_bar.c
@@ -45,7 +45,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_bar_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_bar_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void lv_bar_destructor(lv_obj_t * obj);
 static lv_draw_res_t lv_bar_draw(lv_obj_t * bar, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static lv_res_t lv_bar_signal(lv_obj_t * bar, lv_signal_t sign, void * param);
@@ -199,7 +199,7 @@ lv_bar_type_t lv_bar_get_type(lv_obj_t * obj)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_bar_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_bar_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
     LV_LOG_TRACE("lv_bar create started");
 
diff --git a/src/lv_widgets/lv_btn.c b/src/lv_widgets/lv_btn.c
index 13018eddf..96c67b701 100644
--- a/src/lv_widgets/lv_btn.c
+++ b/src/lv_widgets/lv_btn.c
@@ -22,7 +22,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_btn_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_btn_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 
 /**********************
  *  STATIC VARIABLES
@@ -50,12 +50,14 @@ lv_obj_t * lv_btn_create(lv_obj_t * parent, const lv_obj_t * copy)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_btn_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_btn_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
     LV_LOG_TRACE("lv_btn create started");
 
-    lv_obj_set_size(obj, LV_DPI_DEF, LV_DPI_DEF / 3);
-    lv_obj_clear_flag(obj, LV_OBJ_FLAG_SCROLLABLE);
+    if(copy == NULL) {
+        lv_obj_set_size(obj, LV_DPI_DEF, LV_DPI_DEF / 3);
+        lv_obj_clear_flag(obj, LV_OBJ_FLAG_SCROLLABLE);
+    }
 
     LV_LOG_INFO("btn created");
 }
diff --git a/src/lv_widgets/lv_btnmatrix.c b/src/lv_widgets/lv_btnmatrix.c
index 9697f4e0b..10a7c87cb 100644
--- a/src/lv_widgets/lv_btnmatrix.c
+++ b/src/lv_widgets/lv_btnmatrix.c
@@ -32,7 +32,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_btnmatrix_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_btnmatrix_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void lv_btnmatrix_destructor(lv_obj_t * obj);
 static lv_res_t lv_btnmatrix_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
 static lv_draw_res_t lv_btnmatrix_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode);
@@ -372,7 +372,7 @@ bool lv_btnmatrix_get_one_checked(const lv_obj_t * obj)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_btnmatrix_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_btnmatrix_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
     lv_btnmatrix_t * btnm = (lv_btnmatrix_t *)obj;
     btnm->btn_cnt        = 0;
diff --git a/src/lv_widgets/lv_canvas.c b/src/lv_widgets/lv_canvas.c
index 0d465c64f..92a415efe 100644
--- a/src/lv_widgets/lv_canvas.c
+++ b/src/lv_widgets/lv_canvas.c
@@ -27,8 +27,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_canvas_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
-static void lv_canvas_destructor(lv_obj_t * obj);
+static void lv_canvas_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void set_set_px_cb(lv_disp_drv_t * disp_drv, lv_img_cf_t cf);
 
 static void set_px_true_color_alpha(lv_disp_drv_t * disp_drv, uint8_t * buf, lv_coord_t buf_w, lv_coord_t x,
@@ -54,7 +53,6 @@ static void set_px_alpha_generic(lv_img_dsc_t * d, lv_coord_t x, lv_coord_t y, l
  **********************/
 const lv_obj_class_t lv_canvas_class = {
     .constructor_cb = lv_canvas_constructor,
-    .destructor_cb = lv_canvas_destructor,
     .instance_size = sizeof(lv_canvas_t),
     .base_class = &lv_img_class
 };
@@ -878,6 +876,13 @@ void lv_canvas_draw_arc(lv_obj_t * canvas, lv_coord_t x, lv_coord_t y, lv_coord_
 
     lv_obj_invalidate(canvas);
 #else
+    LV_UNUSED(canvas);
+    LV_UNUSED(x);
+    LV_UNUSED(y);
+    LV_UNUSED(r);
+    LV_UNUSED(start_angle);
+    LV_UNUSED(end_angle);
+    LV_UNUSED(draw_dsc);
     LV_LOG_WARN("Can't draw arc with LV_DRAW_COMPLEX == 0");
 #endif
 }
@@ -886,8 +891,9 @@ void lv_canvas_draw_arc(lv_obj_t * canvas, lv_coord_t x, lv_coord_t y, lv_coord_
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_canvas_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_canvas_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
+   LV_UNUSED(copy);
    LV_LOG_TRACE("canvas create started");
 
    lv_canvas_t * canvas = (lv_canvas_t *) obj;
@@ -905,11 +911,6 @@ static void lv_canvas_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_ob
    LV_LOG_INFO("canvas created");
 }
 
-static void lv_canvas_destructor(lv_obj_t * obj)
-{
-
-}
-
 static void set_set_px_cb(lv_disp_drv_t * disp_drv, lv_img_cf_t cf)
 {
     switch(cf) {
diff --git a/src/lv_widgets/lv_chart.c b/src/lv_widgets/lv_chart.c
index 355496533..329e78263 100644
--- a/src/lv_widgets/lv_chart.c
+++ b/src/lv_widgets/lv_chart.c
@@ -36,7 +36,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_chart_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_chart_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void lv_chart_destructor(lv_obj_t * obj);
 static lv_draw_res_t lv_chart_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static lv_res_t lv_chart_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
@@ -258,6 +258,7 @@ uint16_t lv_chart_get_point_count(const lv_obj_t * obj)
 
 uint16_t lv_chart_get_x_start_point(const lv_obj_t * obj, lv_chart_series_t * ser)
 {
+    LV_UNUSED(obj);
     LV_ASSERT_NULL(ser);
 
     return(ser->last_point);
@@ -474,6 +475,7 @@ void lv_chart_set_ext_array(lv_obj_t * obj, lv_chart_series_t * ser, lv_coord_t
 
 lv_coord_t * lv_chart_get_array(const lv_obj_t * obj, lv_chart_series_t * ser)
 {
+    LV_UNUSED(obj);
     LV_ASSERT_OBJ(obj, MY_CLASS);
     LV_ASSERT_NULL(ser);
     return ser->points;
@@ -489,7 +491,7 @@ int32_t lv_chart_get_pressed_point(const lv_obj_t * obj)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_chart_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_chart_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
     LV_LOG_TRACE("chart create started");
 
@@ -505,7 +507,7 @@ static void lv_chart_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj
     chart->hdiv_cnt    = LV_CHART_HDIV_DEF;
     chart->vdiv_cnt    = LV_CHART_VDIV_DEF;
     chart->point_cnt   = LV_CHART_POINT_CNT_DEF;
-    chart->pressed_point_id  = -1;
+    chart->pressed_point_id  = LV_CHART_POINT_ID_NONE;
     chart->type        = LV_CHART_TYPE_LINE;
     chart->update_mode = LV_CHART_UPDATE_MODE_SHIFT;
     chart->zoom_x      = LV_IMG_ZOOM_NONE;
@@ -590,8 +592,7 @@ static lv_res_t lv_chart_signal(lv_obj_t * obj, lv_signal_t sign, void * param)
             lv_event_send(obj, LV_EVENT_VALUE_CHANGED, NULL);
         }
     } else if(sign == LV_SIGNAL_RELEASED) {
-//        invalidate_point(obj, chart->pressed_point_id);
-        chart->pressed_point_id = -1;
+        chart->pressed_point_id = LV_CHART_POINT_ID_NONE;
     } else if(sign == LV_SIGNAL_REFR_EXT_DRAW_SIZE) {
         lv_coord_t * s = param;
         *s = LV_MAX4(*s, chart->tick[LV_CHART_AXIS_X].draw_size,
@@ -609,7 +610,7 @@ static void draw_div_lines(lv_obj_t * obj, const lv_area_t * clip_area)
     bool mask_ret = _lv_area_intersect(&series_mask, &obj->coords, clip_area);
     if(mask_ret == false) return;
 
-    uint32_t i;
+    uint16_t i;
     lv_point_t p1;
     lv_point_t p2;
     lv_coord_t pad_left = lv_obj_get_style_pad_left(obj, LV_PART_MAIN);
diff --git a/src/lv_widgets/lv_chart.h b/src/lv_widgets/lv_chart.h
index d929a71f9..e567fa59e 100644
--- a/src/lv_widgets/lv_chart.h
+++ b/src/lv_widgets/lv_chart.h
@@ -28,6 +28,9 @@ extern "C" {
 #define LV_CHART_POINT_DEF (LV_COORD_MIN)
 LV_EXPORT_CONST_INT(LV_CHART_POINT_DEF);
 
+#define LV_CHART_POINT_ID_NONE     0xFFFF
+LV_EXPORT_CONST_INT(LV_CHART_POINT_ID_NONE);
+
 /**********************
  *      TYPEDEFS
  **********************/
@@ -86,14 +89,13 @@ typedef struct {
 typedef struct {
     lv_obj_t obj;
     lv_ll_t series_ll;     /**< Linked list for the data line pointers (stores lv_chart_series_t)*/
-
     lv_chart_tick_dsc_t tick[_LV_CHART_AXIS_LAST];
-    int32_t pressed_point_id;
-    uint8_t hdiv_cnt;      /**< Number of horizontal division lines*/
-    uint8_t vdiv_cnt;      /**< Number of vertical division lines*/
-    uint16_t point_cnt;    /**< Point number in a data line*/
     lv_coord_t ymin[2];
     lv_coord_t ymax[2];
+    uint16_t pressed_point_id;
+    uint16_t hdiv_cnt;      /**< Number of horizontal division lines*/
+    uint16_t vdiv_cnt;      /**< Number of vertical division lines*/
+    uint16_t point_cnt;    /**< Point number in a data line*/
     uint16_t zoom_x;
     uint16_t zoom_y;
     lv_chart_type_t type :2; /**< Line or column chart */
diff --git a/src/lv_widgets/lv_checkbox.c b/src/lv_widgets/lv_checkbox.c
index e474702c0..5f136f361 100644
--- a/src/lv_widgets/lv_checkbox.c
+++ b/src/lv_widgets/lv_checkbox.c
@@ -10,6 +10,7 @@
 #if LV_USE_CHECKBOX != 0
 
 #include "../lv_misc/lv_assert.h"
+#include "../lv_misc/lv_txt_ap.h"
 #include "../lv_core/lv_group.h"
 #include "../lv_draw/lv_draw.h"
 
@@ -25,7 +26,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_checkbox_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_checkbox_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void lv_checkbox_destructor(lv_obj_t * obj);
 static lv_draw_res_t lv_checkbox_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static lv_res_t lv_checkbox_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
@@ -63,7 +64,7 @@ void lv_checkbox_set_text(lv_obj_t * obj, const char * txt)
 {
     lv_checkbox_t * cb = (lv_checkbox_t *) obj;
 #if LV_USE_ARABIC_PERSIAN_CHARS
-    size_t len = _lv_txt_ap_proc(txt);
+    size_t len = _lv_txt_ap_calc_bytes_cnt(txt);
 #else
     size_t len = strlen(txt);
 #endif
@@ -107,7 +108,7 @@ const char * lv_checkbox_get_text(const lv_obj_t * obj)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_checkbox_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_checkbox_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
     LV_LOG_TRACE("lv_checkbox create started");
 
diff --git a/src/lv_widgets/lv_dropdown.c b/src/lv_widgets/lv_dropdown.c
index 0b65cef96..cdd3c3ad3 100644
--- a/src/lv_widgets/lv_dropdown.c
+++ b/src/lv_widgets/lv_dropdown.c
@@ -36,12 +36,12 @@
  *  STATIC PROTOTYPES
  **********************/
 static lv_obj_t * lv_dropdown_list_create(lv_obj_t * parent, const lv_obj_t * copy);
-static void lv_dropdown_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_dropdown_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void lv_dropdown_destructor(lv_obj_t * obj);
 static lv_draw_res_t lv_dropdown_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static lv_res_t lv_dropdown_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
 
-static void lv_dropdown_list_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_dropdown_list_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void lv_dropdown_list_destructor(lv_obj_t * list_obj);
 static lv_draw_res_t lv_dropdown_list_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static lv_res_t lv_dropdown_list_signal(lv_obj_t * list, lv_signal_t sign, void * param);
@@ -520,7 +520,7 @@ static lv_obj_t * lv_dropdown_list_create(lv_obj_t * parent, const lv_obj_t * co
     return lv_obj_create_from_class(&lv_dropdown_list_class, parent, copy);
 }
 
-static void lv_dropdown_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_dropdown_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
     LV_LOG_TRACE("dropdown create started");
 
@@ -761,8 +761,9 @@ static lv_draw_res_t lv_dropdown_list_draw(lv_obj_t * list_obj, const lv_area_t
     return LV_DRAW_RES_OK;
 }
 
-static void lv_dropdown_list_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_dropdown_list_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
+    LV_UNUSED(copy);
     lv_label_create(obj, NULL);
 }
 
diff --git a/src/lv_widgets/lv_img.c b/src/lv_widgets/lv_img.c
index f6cfa1f80..d28a8969f 100644
--- a/src/lv_widgets/lv_img.c
+++ b/src/lv_widgets/lv_img.c
@@ -28,7 +28,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_img_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_img_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void lv_img_destructor(lv_obj_t * obj);
 static lv_draw_res_t lv_img_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static lv_res_t lv_img_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
@@ -360,7 +360,7 @@ bool lv_img_get_antialias(lv_obj_t * obj)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_img_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_img_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
     LV_LOG_TRACE("lv_bar create started");
 
@@ -386,7 +386,7 @@ static void lv_img_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t
         /* Enable auto size for non screens
          * because image screens are wallpapers
          * and must be screen sized*/
-        if(parent) lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
+        if(obj->parent) lv_obj_set_size(obj, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
     }
     else {
         lv_img_t * copy_img = (lv_img_t *) copy;
diff --git a/src/lv_widgets/lv_label.c b/src/lv_widgets/lv_label.c
index 779966d5c..7d7902fb6 100644
--- a/src/lv_widgets/lv_label.c
+++ b/src/lv_widgets/lv_label.c
@@ -34,7 +34,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_label_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_label_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void lv_label_destructor(lv_obj_t * obj);
 static lv_res_t lv_label_signal(lv_obj_t * label, lv_signal_t sign, void * param);
 static lv_draw_res_t lv_label_draw(lv_obj_t * label, const lv_area_t * clip_area, lv_draw_mode_t mode);
@@ -695,7 +695,7 @@ void lv_label_cut_text(lv_obj_t * obj, uint32_t pos, uint32_t cnt)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_label_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_label_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
     LV_LOG_TRACE("label create started");
 
@@ -722,9 +722,11 @@ static void lv_label_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj
     label->dot.tmp_ptr   = NULL;
     label->dot_tmp_alloc = 0;
 
-    lv_obj_clear_flag(obj, LV_OBJ_FLAG_CLICKABLE);
-    lv_label_set_long_mode(obj, LV_LABEL_LONG_EXPAND);
-    lv_label_set_text(obj, "Text");
+    if(copy == NULL) {
+        lv_obj_clear_flag(obj, LV_OBJ_FLAG_CLICKABLE);
+        lv_label_set_long_mode(obj, LV_LABEL_LONG_EXPAND);
+        lv_label_set_text(obj, "Text");
+    }
 
     LV_LOG_INFO("label created");
 }
diff --git a/src/lv_widgets/lv_line.c b/src/lv_widgets/lv_line.c
index 2b2ac7ff4..897fc8ec0 100644
--- a/src/lv_widgets/lv_line.c
+++ b/src/lv_widgets/lv_line.c
@@ -28,8 +28,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_line_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
-static void lv_line_destructor(lv_obj_t * obj);
+static void lv_line_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static lv_draw_res_t lv_line_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static lv_res_t lv_line_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
 
@@ -38,7 +37,6 @@ static lv_res_t lv_line_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
  **********************/
 const lv_obj_class_t lv_line_class = {
     .constructor_cb = lv_line_constructor,
-    .destructor_cb = lv_line_destructor,
     .signal_cb = lv_line_signal,
     .draw_cb = lv_line_draw,
     .instance_size = sizeof(lv_line_t),
@@ -104,7 +102,7 @@ bool lv_line_get_y_invert(const lv_obj_t * obj)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_line_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_line_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
     LV_LOG_TRACE("line create started");
 
@@ -131,11 +129,6 @@ static void lv_line_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_
     LV_LOG_INFO("line created");
 }
 
-static void lv_line_destructor(lv_obj_t * obj)
-{
-
-}
-
 static lv_draw_res_t lv_line_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode)
 {
     /*A line never covers an area*/
diff --git a/src/lv_widgets/lv_meter.c b/src/lv_widgets/lv_meter.c
index c08a93086..693bcd0d0 100644
--- a/src/lv_widgets/lv_meter.c
+++ b/src/lv_widgets/lv_meter.c
@@ -27,7 +27,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_meter_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_meter_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void lv_meter_destructor(lv_obj_t * obj);
 static lv_draw_res_t lv_meter_draw(lv_obj_t * lmeter, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static void draw_arcs(lv_obj_t * obj, const lv_area_t * clip_area, const lv_area_t * scale_area);
@@ -207,7 +207,7 @@ void lv_meter_set_indicator_end_value(lv_obj_t * obj, lv_meter_indicator_t * ind
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_meter_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_meter_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
     LV_LOG_TRACE("line meter create started");
 
diff --git a/src/lv_widgets/lv_meter.h b/src/lv_widgets/lv_meter.h
index cfa3f3cdd..16239bd42 100644
--- a/src/lv_widgets/lv_meter.h
+++ b/src/lv_widgets/lv_meter.h
@@ -73,7 +73,7 @@ typedef struct {
     uint16_t tick_width;
 
     lv_color_t tick_major_color;
-    int16_t tick_major_nth;
+    uint16_t tick_major_nth;
     uint16_t tick_major_length;
     uint16_t tick_major_width;
 
diff --git a/src/lv_widgets/lv_roller.c b/src/lv_widgets/lv_roller.c
index 823dca4fe..f24b58778 100644
--- a/src/lv_widgets/lv_roller.c
+++ b/src/lv_widgets/lv_roller.c
@@ -28,7 +28,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_roller_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_roller_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static lv_draw_res_t lv_roller_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static lv_draw_res_t lv_roller_label_draw(lv_obj_t * label_obj, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static lv_res_t lv_roller_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
@@ -282,7 +282,7 @@ uint16_t lv_roller_get_option_cnt(const lv_obj_t * obj)
  **********************/
 
 
-static void lv_roller_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_roller_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
 
     lv_roller_t * roller = (lv_roller_t*)obj;
diff --git a/src/lv_widgets/lv_slider.c b/src/lv_widgets/lv_slider.c
index 0f612e4d5..41283ee6c 100644
--- a/src/lv_widgets/lv_slider.c
+++ b/src/lv_widgets/lv_slider.c
@@ -1,4 +1,3 @@
-
 /**
  * @file lv_slider.c
  *
@@ -32,8 +31,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_slider_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
-static void lv_slider_destructor(lv_obj_t * obj);
+static void lv_slider_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static lv_draw_res_t lv_slider_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static lv_res_t lv_slider_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
 static void position_knob(lv_obj_t * obj, lv_area_t * knob_area, lv_coord_t knob_size, bool hor);
@@ -44,7 +42,6 @@ static void draw_knob(lv_obj_t * obj, const lv_area_t * clip_area);
  **********************/
 const lv_obj_class_t lv_slider_class = {
     .constructor_cb = lv_slider_constructor,
-    .destructor_cb = lv_slider_destructor,
     .signal_cb = lv_slider_signal,
     .draw_cb = lv_slider_draw,
     .editable = LV_OBJ_CLASS_EDITABLE_TRUE,
@@ -78,7 +75,7 @@ bool lv_slider_is_dragged(const lv_obj_t * obj)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_slider_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_slider_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
     lv_slider_t * slider = (lv_slider_t *)obj;
 
@@ -101,15 +98,6 @@ static void lv_slider_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_ob
 
 }
 
-static void lv_slider_destructor(lv_obj_t * obj)
-{
-//    lv_slider_t * slider = obj;
-//
-//    _lv_obj_reset_style_list_no_refr(obj, LV_PART_KNOB);
-//
-//    slider->class_p->base_p->destructor(obj);
-}
-
 static lv_draw_res_t lv_slider_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode)
 {
     /*Return false if the object is not covers the mask_p area*/
diff --git a/src/lv_widgets/lv_switch.c b/src/lv_widgets/lv_switch.c
index ffd43fa33..3d1ea563f 100644
--- a/src/lv_widgets/lv_switch.c
+++ b/src/lv_widgets/lv_switch.c
@@ -33,8 +33,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_switch_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
-static void lv_switch_destructor(lv_obj_t * obj);
+static void lv_switch_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static lv_res_t lv_switch_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
 static lv_draw_res_t lv_switch_draw(lv_obj_t * sw, const lv_area_t * clip_area, lv_draw_mode_t mode);
 
@@ -43,7 +42,6 @@ static lv_draw_res_t lv_switch_draw(lv_obj_t * sw, const lv_area_t * clip_area,
  **********************/
 const lv_obj_class_t lv_switch_class = {
     .constructor_cb = lv_switch_constructor,
-    .destructor_cb = lv_switch_destructor,
     .signal_cb = lv_switch_signal,
     .draw_cb = lv_switch_draw,
     .instance_size = sizeof(lv_switch_t),
@@ -74,7 +72,7 @@ lv_obj_t * lv_switch_create(lv_obj_t * parent, const lv_obj_t * copy)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_switch_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_switch_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
     LV_LOG_TRACE("switch create started");
 
@@ -87,16 +85,6 @@ static void lv_switch_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_ob
    LV_LOG_INFO("switch created");
 }
 
-static void lv_switch_destructor(lv_obj_t * obj)
-{
-//    lv_bar_t * bar = obj;
-//
-//    _lv_obj_reset_style_list_no_refr(obj, LV_BAR_PART_INDIC);
-//    _lv_obj_reset_style_list_no_refr(sw, LV_PART_KNOB);
-//
-//    bar->class_p->base_p->destructor(obj);
-}
-
 static lv_draw_res_t lv_switch_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode)
 {
     /*Return false if the object is not covers the mask_p area*/
diff --git a/src/lv_widgets/lv_table.c b/src/lv_widgets/lv_table.c
index ee5a8d5bb..474186457 100644
--- a/src/lv_widgets/lv_table.c
+++ b/src/lv_widgets/lv_table.c
@@ -29,7 +29,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_table_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_table_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void lv_table_destructor(lv_obj_t * obj);
 static lv_draw_res_t lv_table_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static lv_res_t lv_table_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
@@ -560,7 +560,7 @@ lv_res_t lv_table_get_pressed_cell(lv_obj_t * obj, uint16_t * row, uint16_t * co
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_table_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_table_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
     LV_LOG_TRACE("lv_table create started");
 
@@ -597,21 +597,18 @@ static void lv_table_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj
 
 static void lv_table_destructor(lv_obj_t * obj)
 {
-//    /*Free the cell texts*/
-//           uint16_t i;
-//           for(i = 0; i < table->col_cnt * table->row_cnt; i++) {
-//               if(table->cell_data[i]) {
-//                   lv_mem_free(table->cell_data[i]);
-//                   table->cell_data[i] = NULL;
-//               }
-//           }
-//
-//           if(table->cell_data) lv_mem_free(table->cell_data);
-//           if(table->row_h) lv_mem_free(table->row_h);
-//
-//           for(i = 0; i < LV_TABLE_CELL_STYLE_CNT; i++) {
-//               _lv_obj_reset_style_list_no_refr(obj, LV_TABLE_PART_CELL1 + i);
-//           }
+    lv_table_t * table = (lv_table_t *) obj;
+    /*Free the cell texts*/
+    uint16_t i;
+    for(i = 0; i < table->col_cnt * table->row_cnt; i++) {
+        if(table->cell_data[i]) {
+            lv_mem_free(table->cell_data[i]);
+            table->cell_data[i] = NULL;
+        }
+    }
+
+    if(table->cell_data) lv_mem_free(table->cell_data);
+    if(table->row_h) lv_mem_free(table->row_h);
 }
 
 static lv_draw_res_t lv_table_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode)
diff --git a/src/lv_widgets/lv_textarea.c b/src/lv_widgets/lv_textarea.c
index f377adb49..7db868b48 100644
--- a/src/lv_widgets/lv_textarea.c
+++ b/src/lv_widgets/lv_textarea.c
@@ -45,7 +45,7 @@
 /**********************
  *  STATIC PROTOTYPES
  **********************/
-static void lv_textarea_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy);
+static void lv_textarea_constructor(lv_obj_t * obj, const lv_obj_t * copy);
 static void lv_textarea_destructor(lv_obj_t * obj);
 static lv_draw_res_t lv_textarea_draw(lv_obj_t * obj, const lv_area_t * clip_area, lv_draw_mode_t mode);
 static lv_res_t lv_textarea_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
@@ -944,7 +944,7 @@ void lv_textarea_cursor_up(lv_obj_t * obj)
  *   STATIC FUNCTIONS
  **********************/
 
-static void lv_textarea_constructor(lv_obj_t * obj, lv_obj_t * parent, const lv_obj_t * copy)
+static void lv_textarea_constructor(lv_obj_t * obj, const lv_obj_t * copy)
 {
     LV_LOG_TRACE("text area create started");
 
diff --git a/tests/build.py b/tests/build.py
index 1c154aa79..7ba6bb080 100755
--- a/tests/build.py
+++ b/tests/build.py
@@ -51,11 +51,10 @@ def build(name, defines):
 
 minimal_monochrome = {
   "LV_COLOR_DEPTH":1,
-  "LV_MEM_SIZE":4 * 1024,
+  "LV_MEM_SIZE":64 * 1024,
   
   "LV_DPI_DEF":40,
   "LV_DRAW_COMPLEX":0,
-  "LV_USE_LOG":0,
   
   "LV_USE_LOG":0,
 
@@ -83,246 +82,148 @@ minimal_monochrome = {
 #  "LV_THEME_DEFAULT_FONT_TITLE"    :     "\\\"&lv_font_unscii_8\\\"",
 }
 
-all_obj_minimal_features = {
-  "LV_DPI":60,
-  "LV_MEM_SIZE":12*1024,
-  "LV_HOR_RES_MAX":320,
-  "LV_VER_RES_MAX":240,
-  "LV_COLOR_DEPTH":8,
-  "LV_USE_GROUP":0,
-  "LV_USE_ANIMATION":0,
-  "LV_ANTIALIAS":0,
-  "LV_GPU":0,
-  "LV_USE_FILESYSTEM":0,
-  "LV_USE_IMG_TRANSFORM":0,
-  "LV_USE_API_EXTENSION_V6":0,
-  "LV_USE_USER_DATA":0,
-  "LV_USE_USER_DATA_FREE":0,
+
+minimal_16bit = {
+  "LV_COLOR_DEPTH":16,
+  "LV_MEM_SIZE":64 * 1024,
+  
+  "LV_DPI_DEF":40,
+  "LV_DRAW_COMPLEX":0,
+  
   "LV_USE_LOG":0,
-  "LV_USE_THEME_MATERIAL":1,   
-  "LV_THEME_DEFAULT_INIT": "\\\"lv_theme_material_init\\\"",
-  "LV_THEME_DEFAULT_COLOR_PRIMARY":      "\\\"LV_COLOR_RED\\\"",
-  "LV_THEME_DEFAULT_COLOR_SECONDARY":    "\\\"LV_COLOR_BLUE\\\"",
-  "LV_THEME_DEFAULT_FLAG"         :     "\\\"LV_THEME_MATERIAL_FLAG_LIGHT\\\"",
-  "LV_THEME_DEFAULT_FONT_SMALL"    :     "\\\"&lv_font_montserrat_16\\\"",
-  "LV_THEME_DEFAULT_FONT_NORMAL"   :     "\\\"&lv_font_montserrat_16\\\"",
-  "LV_THEME_DEFAULT_FONT_SUBTITLE" :     "\\\"&lv_font_montserrat_16\\\"",
-  "LV_THEME_DEFAULT_FONT_TITLE"    :     "\\\"&lv_font_montserrat_16\\\"",
-  "LV_USE_DEBUG":0,
-  "LV_USE_ASSERT_NULL":0,
-  "LV_USE_ASSERT_MEM":0,
-  "LV_USE_ASSERT_STR":0,
-  "LV_USE_ASSERT_OBJ":0,
-  "LV_USE_ASSERT_STYLE":0,
-  "LV_FONT_MONTSERRAT_12":0,
-  "LV_FONT_MONTSERRAT_16":1,
-  "LV_FONT_MONTSERRAT_22":0,
-  "LV_FONT_MONTSERRAT_28":0,
-  "LV_FONT_MONTSERRAT_12_SUBPX":0,
-  "LV_FONT_MONTSERRAT_28_COMPRESSED":0,
-  "LV_FONT_UNSCII_8":0,
-  "LV_USE_BIDI": 0,
-  "LV_USE_OBJ_REALIGN": 0,
-  "LV_USE_EXT_CLICK_AREA":"LV_EXT_CLICK_AREA_TINY",
-  "LV_USE_ARC":1,
-  "LV_USE_BAR":1,
-  "LV_USE_BTN":1,
-  "LV_USE_BTNM":1,
-  "LV_USE_CALENDAR":1,
-  "LV_USE_CANVAS":1,
-  "LV_USE_CHECKBOX":1,
-  "LV_USE_CHART":1,
-  "LV_USE_CONT":1,
-  "LV_USE_CPICKER":1,
-  "LV_USE_DROPDOWN":1,
-  "LV_USE_GAUGE":1,
-  "LV_USE_IMG":1,
-  "LV_USE_IMGBTN":1,
-  "LV_USE_KEYBOARD":1,
-  "LV_USE_LABEL":1,
-  "LV_USE_LED":1,
-  "LV_USE_LINE":1,
-  "LV_USE_LIST":1,
-  "LV_USE_LINEMETER":1,
-  "LV_USE_OBJMASK":1,
-  "LV_USE_MBOX":1,
-  "LV_USE_PAGE":1,
-  "LV_USE_SPINNER":0, #Disabled beacsue needs anim
-  "LV_USE_ROLLER":1,
-  "LV_USE_SLIDER":1,
-  "LV_USE_SPINBOX":1,
-  "LV_USE_SWITCH":1,
-  "LV_USE_TEXTAREA":1,
-  "LV_USE_TABLE":1,
-  "LV_USE_TABVIEW":1,
-  "LV_USE_TILEVIEW":1,
-  "LV_USE_WIN":1 
-}
 
-all_obj_all_features = {
-  "LV_DPI":100,
-  "LV_MEM_SIZE":32*1024,
-  "LV_HOR_RES_MAX":480,
-  "LV_VER_RES_MAX":320,
-  "LV_COLOR_DEPTH":32,
-  "LV_COLOR_SCREEN_TRANSP":1,
-  "LV_USE_GROUP":1,
-  "LV_USE_ANIMATION":1,
-  "LV_ANTIALIAS":1,
-  "LV_GPU":1,
-  "LV_USE_FILESYSTEM":1,
-  "LV_USE_IMG_TRANSFORM":1,
-  "LV_USE_API_EXTENSION_V6":1,
-  "LV_USE_USER_DATA":1,
-  "LV_USE_USER_DATA_FREE":0,
-  "LV_USE_LOG":1,
-  "LV_USE_THEME_MATERIAL":1,   
-  "LV_USE_THEME_EMPTY":1,  
-  "LV_USE_THEME_MONO":1, 
-  "LV_THEME_DEFAULT_INIT": "\\\"lv_theme_material_init\\\"",
-  "LV_THEME_DEFAULT_COLOR_PRIMARY":      "\\\"LV_COLOR_RED\\\"",
-  "LV_THEME_DEFAULT_COLOR_SECONDARY":    "\\\"LV_COLOR_BLUE\\\"",
-  "LV_THEME_DEFAULT_FLAG"         :     "\\\"LV_THEME_MATERIAL_FLAG_LIGHT\\\"",
-  "LV_THEME_DEFAULT_FONT_SMALL"    :     "\\\"&lv_font_montserrat_12\\\"",
-  "LV_THEME_DEFAULT_FONT_NORMAL"   :     "\\\"&lv_font_montserrat_16\\\"",
-  "LV_THEME_DEFAULT_FONT_SUBTITLE" :     "\\\"&lv_font_montserrat_22\\\"",
-  "LV_THEME_DEFAULT_FONT_TITLE"    :     "\\\"&lv_font_montserrat_28\\\"",  
-  "LV_LOG_PRINTF":0,
-  "LV_USE_DEBUG":0,
   "LV_USE_ASSERT_NULL":0,
-  "LV_USE_ASSERT_MEM":0,
-  "LV_USE_ASSERT_STR":0,
+  "LV_USE_ASSERT_MALLOC":0,
+  "LV_USE_ASSERT_MEM_INTEGRITY":0,
   "LV_USE_ASSERT_OBJ":0,
   "LV_USE_ASSERT_STYLE":0,
-  "LV_FONT_MONTSERRAT_12":1,
-  "LV_FONT_MONTSERRAT_16":1,
-  "LV_FONT_MONTSERRAT_22":1,
-  "LV_FONT_MONTSERRAT_28":1,
-  "LV_FONT_MONTSERRAT_12_SUBPX":1,
-  "LV_FONT_MONTSERRAT_28_COMPRESSED":1,
+  
+  "LV_USE_USER_DATA": 0,
+  
   "LV_FONT_UNSCII_8":1,
-  "LV_USE_ARC":1,
-  "LV_USE_BAR":1,
-  "LV_USE_BTN":1,
-  "LV_USE_BTNM":1,
-  "LV_USE_CALENDAR":1,
-  "LV_USE_CANVAS":1,
-  "LV_USE_CHECKBOX":1,
-  "LV_USE_CHART":1,
-  "LV_USE_CONT":1,
-  "LV_USE_CPICKER":1,
-  "LV_USE_DROPDOWN":1,
-  "LV_USE_GAUGE":1,
-  "LV_USE_IMG":1,
-  "LV_USE_IMGBTN":1,
-  "LV_USE_KEYBOARD":1,
-  "LV_USE_LABEL":1,
-  "LV_USE_LED":1,
-  "LV_USE_LINE":1,
-  "LV_USE_LIST":1,
-  "LV_USE_LINEMETER":1,
-  "LV_USE_OBJMASK":1,
-  "LV_USE_MBOX":1,
-  "LV_USE_PAGE":1,
-  "LV_USE_SPINNER":1,
-  "LV_USE_ROLLER":1,
-  "LV_USE_SLIDER":1,
-  "LV_USE_SPINBOX":1,
-  "LV_USE_SWITCH":1,
-  "LV_USE_TEXTAREA":1,
-  "LV_USE_TABLE":1,
-  "LV_USE_TABVIEW":1,
-  "LV_USE_TILEVIEW":1,
-  "LV_USE_WIN":1 
+  
+  "LV_USE_BIDI": 0,
+  "LV_USE_ARABIC_PERSIAN_CHARS":0,
+
+#  "LV_USE_THEME_MONO":1,   
+#  "LV_THEME_DEFAULT_INIT": "\\\"lv_theme_mono_init\\\"",
+#  "LV_THEME_DEFAULT_COLOR_PRIMARY":      "\\\"LV_COLOR_RED\\\"",
+# "LV_THEME_DEFAULT_COLOR_SECONDARY":    "\\\"LV_COLOR_BLUE\\\"",
+#  "LV_THEME_DEFAULT_FLAG"         :     "0",
+#  "LV_THEME_DEFAULT_FONT_SMALL"    :     "\\\"&lv_font_unscii_8\\\"",
+#  "LV_THEME_DEFAULT_FONT_NORMAL"   :     "\\\"&lv_font_unscii_8\\\"",
+#  "LV_THEME_DEFAULT_FONT_SUBTITLE" :     "\\\"&lv_font_unscii_8\\\"",
+#  "LV_THEME_DEFAULT_FONT_TITLE"    :     "\\\"&lv_font_unscii_8\\\"",
 }
 
-advanced_features = {
-  "LV_DPI":100,
-  "LV_MEM_SIZE":4*1024*1024,
-  "LV_MEM_CUSTOM":1,
-  "LV_HOR_RES_MAX":800,
-  "LV_VER_RES_MAX":480,
+minimal_16bit_swap = {
+  "LV_COLOR_DEPTH":16,
+  "LV_COLOR_16_SWAP":1,
+  
+  "LV_MEM_SIZE":64 * 1024,
+  
+  "LV_DPI_DEF":40,
+  "LV_DRAW_COMPLEX":0,
+  
+  "LV_USE_LOG":0,
+
+  "LV_USE_ASSERT_NULL":0,
+  "LV_USE_ASSERT_MALLOC":0,
+  "LV_USE_ASSERT_MEM_INTEGRITY":0,
+  "LV_USE_ASSERT_OBJ":0,
+  "LV_USE_ASSERT_STYLE":0,
+  
+  "LV_USE_USER_DATA": 0,
+  
+  "LV_FONT_UNSCII_8":1,
+  
+  "LV_USE_BIDI": 0,
+  "LV_USE_ARABIC_PERSIAN_CHARS":0,
+
+#  "LV_USE_THEME_MONO":1,   
+#  "LV_THEME_DEFAULT_INIT": "\\\"lv_theme_mono_init\\\"",
+#  "LV_THEME_DEFAULT_COLOR_PRIMARY":      "\\\"LV_COLOR_RED\\\"",
+# "LV_THEME_DEFAULT_COLOR_SECONDARY":    "\\\"LV_COLOR_BLUE\\\"",
+#  "LV_THEME_DEFAULT_FLAG"         :     "0",
+#  "LV_THEME_DEFAULT_FONT_SMALL"    :     "\\\"&lv_font_unscii_8\\\"",
+#  "LV_THEME_DEFAULT_FONT_NORMAL"   :     "\\\"&lv_font_unscii_8\\\"",
+#  "LV_THEME_DEFAULT_FONT_SUBTITLE" :     "\\\"&lv_font_unscii_8\\\"",
+#  "LV_THEME_DEFAULT_FONT_TITLE"    :     "\\\"&lv_font_unscii_8\\\"",
+}
+
+
+full_32bit = {
   "LV_COLOR_DEPTH":32,
-  "LV_COLOR_16_SWAP":0,
-  "LV_COLOR_SCREEN_TRANSP":1,
-  "LV_USE_GROUP":1,
-  "LV_USE_ANIMATION":1,
-  "LV_ANTIALIAS":1,
-  "LV_GPU":1,
-  "LV_USE_FILESYSTEM":1,
-  "LV_USE_IMG_TRANSFORM":1,
-  "LV_USE_API_EXTENSION_V6":1,
-  "LV_USE_USER_DATA":1,
+  "LV_MEM_SIZE":8 * 1024 * 1024,
+  
+  "LV_DPI_DEF":160,
+  "LV_DRAW_COMPLEX":1,
+  "LV_SHADOW_CACHE_SIZE":1,
   "LV_IMG_CACHE_DEF_SIZE":32,
+  
   "LV_USE_LOG":1,
-  "LV_USE_THEME_MATERIAL":1,  
-  "LV_USE_THEME_EMPTY":1,  
-  "LV_THEME_DEFAULT_INIT": "\\\"lv_theme_material_init\\\"",
-  "LV_THEME_DEFAULT_COLOR_PRIMARY":      "\\\"LV_COLOR_RED\\\"",
-  "LV_THEME_DEFAULT_COLOR_SECONDARY":    "\\\"LV_COLOR_BLUE\\\"",
-  "LV_THEME_DEFAULT_FLAG"         :     "\\\"LV_THEME_MATERIAL_FLAG_LIGHT\\\"",
-  "LV_THEME_DEFAULT_FONT_SMALL"    :     "\\\"&lv_font_montserrat_12\\\"",
-  "LV_THEME_DEFAULT_FONT_NORMAL"   :     "\\\"&lv_font_montserrat_16\\\"",
-  "LV_THEME_DEFAULT_FONT_SUBTITLE" :     "\\\"&lv_font_montserrat_22\\\"",
-  "LV_THEME_DEFAULT_FONT_TITLE"    :     "\\\"&lv_font_montserrat_28\\\"", 
   "LV_LOG_PRINTF":1,
-  "LV_USE_DEBUG":1,
+  "LV_FONT_SUBPX_BGR":1,
+  "LV_USE_PERF_MONITOR":1,
+  
   "LV_USE_ASSERT_NULL":1,
-  "LV_USE_ASSERT_MEM":1,
-  "LV_USE_ASSERT_STR":1,
+  "LV_USE_ASSERT_MALLOC":1,
+  "LV_USE_ASSERT_MEM_INTEGRITY":1,
   "LV_USE_ASSERT_OBJ":1,
   "LV_USE_ASSERT_STYLE":1,
+  
+  "LV_USE_USER_DATA": 1,
+  
+  "LV_USE_LARGE_COORD": 1,
+  
+  "LV_FONT_MONTSERRAT_8":1,
+  "LV_FONT_MONTSERRAT_10":1,
   "LV_FONT_MONTSERRAT_12":1,
+  "LV_FONT_MONTSERRAT_14":1,
   "LV_FONT_MONTSERRAT_16":1,
+  "LV_FONT_MONTSERRAT_18":1,
+  "LV_FONT_MONTSERRAT_20":1,
   "LV_FONT_MONTSERRAT_22":1,
+  "LV_FONT_MONTSERRAT_24":1,
+  "LV_FONT_MONTSERRAT_26":1,
   "LV_FONT_MONTSERRAT_28":1,
-  "LV_FONT_MONTSERRAT_12_SUBPX":1,
-  "LV_FONT_MONTSERRAT_28_COMPRESSED":1,
+  "LV_FONT_MONTSERRAT_30":1,
+  "LV_FONT_MONTSERRAT_32":1,
+  "LV_FONT_MONTSERRAT_34":1,
+  "LV_FONT_MONTSERRAT_36":1,
+  "LV_FONT_MONTSERRAT_38":1,
+  "LV_FONT_MONTSERRAT_40":1,
+  "LV_FONT_MONTSERRAT_42":1,
+  "LV_FONT_MONTSERRAT_44":1,
+  "LV_FONT_MONTSERRAT_46":1,
+  "LV_FONT_MONTSERRAT_48":1,  
+  "LV_FONT_MONTSERRAT_12_SUBPX":1,  
+  "LV_FONT_MONTSERRAT_28_COMPRESSED":1,  
+  "LV_FONT_DEJAVU_16_PERSIAN_HEBREW":1,  
+  "LV_FONT_SIMSUN_16_CJK":1,  
   "LV_FONT_UNSCII_8":1,
-  "LV_USE_BIDI": 1,
-  "LV_USE_REVERSE_ARABIC_PERSIAN_CHARS":1,
-  "LV_USE_OBJ_REALIGN": 1,
+  "LV_FONT_UNSCII_16":1,
   "LV_FONT_FMT_TXT_LARGE":1,
-  "LV_FONT_SUBPX_BGR":1,
+  "LV_FONT_FMT_TXT_LARGE":1,
+
   "LV_USE_BIDI": 1,
-  "LV_USE_OBJ_REALIGN": 1,
-  "LV_USE_EXT_CLICK_AREA":"LV_EXT_CLICK_AREA_FULL",
-  "LV_USE_ARC":1,
-  "LV_USE_BAR":1,
-  "LV_USE_BTN":1,
-  "LV_USE_BTNM":1,
-  "LV_USE_CALENDAR":1,
-  "LV_USE_CANVAS":1,
-  "LV_USE_CHECKBOX":1,
-  "LV_USE_CHART":1,
-  "LV_USE_CONT":1,
-  "LV_USE_CPICKER":1,
-  "LV_USE_DROPDOWN":1,
-  "LV_USE_GAUGE":1,
-  "LV_USE_IMG":1,
-  "LV_USE_IMGBTN":1,
-  "LV_USE_KEYBOARD":1,
-  "LV_USE_LABEL":1,
-  "LV_USE_LED":1,
-  "LV_USE_LINE":1,
-  "LV_USE_LIST":1,
-  "LV_USE_LINEMETER":1,
-  "LV_USE_OBJMASK":1,
-  "LV_USE_MBOX":1,
-  "LV_USE_PAGE":1,
-  "LV_USE_SPINNER":1,
-  "LV_USE_ROLLER":1,
-  "LV_USE_SLIDER":1,
-  "LV_USE_SPINBOX":1,
-  "LV_USE_SWITCH":1,
-  "LV_USE_TEXTAREA":1,
-  "LV_USE_TABLE":1,
-  "LV_USE_TABVIEW":1,
-  "LV_USE_TILEVIEW":1,
-  "LV_USE_WIN":1 
+  "LV_USE_ARABIC_PERSIAN_CHARS":1,
+
+#  "LV_USE_THEME_MONO":1,   
+#  "LV_THEME_DEFAULT_INIT": "\\\"lv_theme_mono_init\\\"",
+#  "LV_THEME_DEFAULT_COLOR_PRIMARY":      "\\\"LV_COLOR_RED\\\"",
+# "LV_THEME_DEFAULT_COLOR_SECONDARY":    "\\\"LV_COLOR_BLUE\\\"",
+#  "LV_THEME_DEFAULT_FLAG"         :     "0",
+#  "LV_THEME_DEFAULT_FONT_SMALL"    :     "\\\"&lv_font_unscii_8\\\"",
+#  "LV_THEME_DEFAULT_FONT_NORMAL"   :     "\\\"&lv_font_unscii_8\\\"",
+#  "LV_THEME_DEFAULT_FONT_SUBTITLE" :     "\\\"&lv_font_unscii_8\\\"",
+#  "LV_THEME_DEFAULT_FONT_TITLE"    :     "\\\"&lv_font_unscii_8\\\"",
 }
 
-build("Minimal monochrome", minimal_monochrome)
+build("Minimal config monochrome", minimal_monochrome)
+build("Minimal config, 16 bit color depth", minimal_16bit)
+build("Minimal config, 16 bit color depth swapped", minimal_16bit_swap)
+build("Full config, 32 bit color depth", full_32bit)
 #build("All objects, minimal features", all_obj_minimal_features)
 #build("All objects, all common features", all_obj_all_features)
 #build("All objects, with advanced features", advanced_features)
diff --git a/tests/lv_test_assert.c b/tests/lv_test_assert.c
index c78fe33d7..b8b2eef15 100644
--- a/tests/lv_test_assert.c
+++ b/tests/lv_test_assert.c
@@ -159,6 +159,7 @@ void lv_test_assert_ptr_eq(const void * p_ref, const void * p_act, const char *
 
 void lv_test_assert_color_eq(lv_color_t c_ref, lv_color_t c_act, const char * s)
 {
+#if LV_COLOR_16_SWAP == 0
     if(c_ref.full != c_act.full) {
         lv_test_error("   FAIL: %s. (Expected:  R:%02x, G:%02x, B:%02x, Actual: R:%02x, G:%02x, B:%02x)",  s,
                 c_ref.ch.red, c_ref.ch.green, c_ref.ch.blue,
@@ -167,6 +168,12 @@ void lv_test_assert_color_eq(lv_color_t c_ref, lv_color_t c_act, const char * s)
         lv_test_print("   PASS: %s. (Expected: R:%02x, G:%02x, B:%02x)", s,
                 c_ref.ch.red, c_ref.ch.green, c_ref.ch.blue);
     }
+#else
+    LV_UNUSED(c_ref);
+    LV_UNUSED(c_act);
+    LV_UNUSED(s);
+    lv_test_print("   SKIP");
+#endif
 }
 
 void lv_test_assert_img_eq(const char * fn_ref, const char * s)
diff --git a/tests/lv_test_core/lv_test_core.c b/tests/lv_test_core/lv_test_core.c
index d500211ea..8fff22405 100644
--- a/tests/lv_test_core/lv_test_core.c
+++ b/tests/lv_test_core/lv_test_core.c
@@ -46,7 +46,7 @@ void lv_test_core(void)
     lv_test_print("*******************");
 
     lv_test_obj();
-    lv_test_style();
+//    lv_test_style();
     lv_test_font_loader();
 }
 
diff --git a/tests/lv_test_core/lv_test_font_loader.c b/tests/lv_test_core/lv_test_font_loader.c
index ff9c6be13..6a38dc79f 100644
--- a/tests/lv_test_core/lv_test_font_loader.c
+++ b/tests/lv_test_core/lv_test_font_loader.c
@@ -10,9 +10,9 @@
 #include "../../lvgl.h"
 #if LV_BUILD_TEST
 #include "../lv_test_assert.h"
-#include "../src/lv_font/lv_font_fmt_txt.h"
-#include "../src/lv_font/lv_font.h"
-#include "../src/lv_font/lv_font_loader.h"
+#include "../../src/lv_font/lv_font_fmt_txt.h"
+#include "../../src/lv_font/lv_font.h"
+#include "../../src/lv_font/lv_font_loader.h"
 
 #include "lv_test_font_loader.h" 
 
@@ -28,9 +28,7 @@
  *  STATIC PROTOTYPES
  **********************/
 
-#if LV_USE_FILESYSTEM
 static int compare_fonts(lv_font_t * f1, lv_font_t * f2);
-#endif
 
 /**********************
  *  STATIC VARIABLES
@@ -50,7 +48,6 @@ extern lv_font_t font_3;
 
 void lv_test_font_loader(void)
 {
-#if LV_USE_FILESYSTEM
     lv_font_t * font_1_bin = lv_font_load("F:font_1.fnt");
     lv_font_t * font_2_bin = lv_font_load("F:font_2.fnt");
     lv_font_t * font_3_bin = lv_font_load("F:font_3.fnt");
@@ -62,12 +59,8 @@ void lv_test_font_loader(void)
     lv_font_free(font_1_bin);
     lv_font_free(font_2_bin);
     lv_font_free(font_3_bin);
-#else
-    lv_test_print("SKIP: font load test because it requires LV_USE_FILESYSTEM 1 and LV_FONT_FMT_TXT_LARGE 0");
-#endif
 }
 
-#if LV_USE_FILESYSTEM
 static int compare_fonts(lv_font_t * f1, lv_font_t * f2)
 {
     lv_test_assert_true(f1 != NULL && f2 != NULL, "font not null");
@@ -205,7 +198,6 @@ static int compare_fonts(lv_font_t * f1, lv_font_t * f2)
     LV_LOG_INFO("No differences found!");
     return 0;
 }
-#endif
 
 /**********************
  *   STATIC FUNCTIONS
diff --git a/tests/lv_test_core/lv_test_obj.c b/tests/lv_test_core/lv_test_obj.c
index e4708a18b..ba22bfac5 100644
--- a/tests/lv_test_core/lv_test_obj.c
+++ b/tests/lv_test_core/lv_test_obj.c
@@ -59,30 +59,30 @@ static void create_delete_change_parent(void)
     lv_test_print("-------------------------------------------------");
 
     lv_test_print("Create an object on the default screen");
-    lv_test_assert_int_eq(0, lv_obj_count_children(lv_scr_act()), "Screen's children count before creation");
+    lv_test_assert_int_eq(0, lv_obj_get_child_cnt(lv_scr_act()), "Screen's children count before creation");
 
     lv_obj_t * obj = lv_obj_create(lv_scr_act(), NULL);
-    lv_test_assert_int_eq(1, lv_obj_count_children(lv_scr_act()), "Screen's children count after creation");
-    lv_test_assert_int_eq(0, lv_obj_count_children(obj), "New object's children count after creation");
+    lv_test_assert_int_eq(1, lv_obj_get_child_cnt(lv_scr_act()), "Screen's children count after creation");
+    lv_test_assert_int_eq(0, lv_obj_get_child_cnt(obj), "New object's children count after creation");
 
     lv_test_print("Delete the created object");
     lv_obj_del(obj);
     obj = NULL;
-    lv_test_assert_int_eq(0, lv_obj_count_children(lv_scr_act()), "Screen's children count after delete");
+    lv_test_assert_int_eq(0, lv_obj_get_child_cnt(lv_scr_act()), "Screen's children count after delete");
 
     lv_test_print("Create two objects");
     lv_obj_t * obj_parent = lv_obj_create(lv_scr_act(), NULL);
     lv_obj_t * obj_child = lv_obj_create(lv_scr_act(), NULL);
-    lv_test_assert_int_eq(2, lv_obj_count_children(lv_scr_act()), "Screen's children count after creation");
+    lv_test_assert_int_eq(2, lv_obj_get_child_cnt(lv_scr_act()), "Screen's children count after creation");
 
     lv_test_print("Change the parent of the second object to the first");
     lv_obj_set_parent(obj_child, obj_parent);
-    lv_test_assert_int_eq(1, lv_obj_count_children(lv_scr_act()), "Screen's children count after parent change");
-    lv_test_assert_int_eq(1, lv_obj_count_children(obj_parent), "Parent object's children count after parent change");
-    lv_test_assert_int_eq(0, lv_obj_count_children(obj_child), "Child object's children count after parent change");
+    lv_test_assert_int_eq(1, lv_obj_get_child_cnt(lv_scr_act()), "Screen's children count after parent change");
+    lv_test_assert_int_eq(1, lv_obj_get_child_cnt(obj_parent), "Parent object's children count after parent change");
+    lv_test_assert_int_eq(0, lv_obj_get_child_cnt(obj_child), "Child object's children count after parent change");
 
     lv_test_print("Remove the parent object");
     lv_obj_del(obj_parent);
-    lv_test_assert_int_eq(0, lv_obj_count_children(lv_scr_act()), "Screen's children count after delete");
+    lv_test_assert_int_eq(0, lv_obj_get_child_cnt(lv_scr_act()), "Screen's children count after delete");
 }
 #endif
diff --git a/tests/lv_test_core/lv_test_style.c b/tests/lv_test_core/lv_test_style.c
index 46ac16da8..de47960cb 100644
--- a/tests/lv_test_core/lv_test_style.c
+++ b/tests/lv_test_core/lv_test_style.c
@@ -1,624 +1,621 @@
-/**
- * @file lv_test_style.c
- *
- */
-
-/*********************
- *      INCLUDES
- *********************/
-#include "../../lvgl.h"
-#include "../lv_test_assert.h"
-#include "lv_test_style.h"
-
-#if LV_BUILD_TEST
-
-/*********************
- *      DEFINES
- *********************/
-
-/**********************
- *      TYPEDEFS
- **********************/
-
-/**********************
- *  STATIC PROTOTYPES
- **********************/
-static void empty_style(void);
-static void add_remove_read_prop(void);
-static void cascade(void);
-static void copy(void);
-static void states(void);
-static void mem_leak(void);
-
-/**********************
- *  STATIC VARIABLES
- **********************/
-
-/**********************
- *      MACROS
- **********************/
-
-/**********************
- *   GLOBAL FUNCTIONS
- **********************/
-
-void lv_test_style(void)
-{
-    lv_test_print("");
-    lv_test_print("====================");
-    lv_test_print("Start lv_style tests");
-    lv_test_print("====================");
-
-    empty_style();
-    add_remove_read_prop();
-    cascade();
-    copy();
-    states();
-    mem_leak();
-}
-
-/**********************
- *   STATIC FUNCTIONS
- **********************/
-
-static void empty_style(void)
-{
-    lv_test_print("");
-    lv_test_print("Test empty styles:");
-    lv_test_print("-----------------");
-
-    lv_style_list_t style_list;
-    lv_style_list_init(&style_list);
-
-    lv_res_t found;
-    lv_coord_t value;
-    lv_opa_t opa;
-    const void * ptr;
-    lv_color_t color;
-
-    lv_test_print("Get a properties from an empty style");
-
-    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
-    lv_test_assert_int_eq(LV_RES_INV, found, "Get an 'int' property");
-
-    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA, &opa);
-    lv_test_assert_int_eq(LV_RES_INV, found, "Get an 'opa' property");
-
-    found = _lv_style_list_get_ptr(&style_list, LV_STYLE_TEXT_FONT, &ptr);
-    lv_test_assert_int_eq(LV_RES_INV, found, "Get a 'ptr' property");
-
-    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
-    lv_test_assert_int_eq(LV_RES_INV, found, "Get a 'color' property");
-}
-
-static void add_remove_read_prop(void)
-{
-    lv_test_print("");
-    lv_test_print("Add, remove and read properties:");
-    lv_test_print("--------------------------------");
-
-    lv_style_list_t style_list;
-    lv_style_list_init(&style_list);
-
-    lv_style_t style;
-    lv_style_init(&style);
-
-    _lv_style_list_add_style(&style_list, &style);
-
-    lv_res_t found;
-    lv_coord_t value;
-    lv_opa_t opa;
-    const void * ptr;
-    lv_color_t color;
-
-    lv_test_print("Add an empty style and read properties");
-
-    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
-    lv_test_assert_int_eq(LV_RES_INV, found, "Get a non existing 'int' property");
-
-    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA, &opa);
-    lv_test_assert_int_eq(LV_RES_INV, found, "Get a non existing 'opa' property");
-
-    found = _lv_style_list_get_ptr(&style_list, LV_STYLE_TEXT_FONT, &ptr);
-    lv_test_assert_int_eq(LV_RES_INV, found, "Get a non existing 'ptr' property");
-
-    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
-    lv_test_assert_int_eq(LV_RES_INV, found, "Get a non existing 'color' property");
-
-    lv_test_print("Set properties and read back the values");
-    _lv_style_set_int(&style, LV_STYLE_TEXT_LINE_SPACE, 5);
-    _lv_style_set_opa(&style, LV_STYLE_BG_OPA, LV_OPA_50);
-    _lv_style_set_ptr(&style, LV_STYLE_TEXT_FONT, LV_THEME_DEFAULT_FONT_NORMAL);
-    _lv_style_set_color(&style, LV_STYLE_BG_COLOR, LV_COLOR_RED);
-
-    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an existing 'int' property");
-    lv_test_assert_int_eq(5, value, "Get the value of an 'int' property");
-
-    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA, &opa);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an existing 'opa' property");
-    lv_test_assert_int_eq(LV_OPA_50, opa, "Get the value of an  'opa' property");
-
-    found = _lv_style_list_get_ptr(&style_list, LV_STYLE_TEXT_FONT, &ptr);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an existing 'ptr' property");
-    lv_test_assert_ptr_eq(LV_THEME_DEFAULT_FONT_NORMAL, ptr, "Get the value of a 'ptr' property");
-
-    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an existing 'color' property");
-    lv_test_assert_color_eq(LV_COLOR_RED, color, "Get the value of a 'color' property");
-
-    lv_test_print("Reset the style");
-    lv_style_reset(&style);
-    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
-    lv_test_assert_int_eq(LV_RES_INV, found, "Get an 'int' property from a reseted style");
-
-    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA, &opa);
-    lv_test_assert_int_eq(LV_RES_INV, found, "Get an 'opa' property from a reseted style");
-
-    found = _lv_style_list_get_ptr(&style_list, LV_STYLE_TEXT_FONT, &ptr);
-    lv_test_assert_int_eq(LV_RES_INV, found, "Get an 'ptr' property from a reseted style");
-
-    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
-    lv_test_assert_int_eq(LV_RES_INV, found, "Get an 'color' property from a reseted style");
-
-    /*Clean-up*/
-    _lv_style_list_reset(&style_list);
-}
-
-static void cascade(void)
-{
-    lv_test_print("");
-    lv_test_print("Cascade style styles:");
-    lv_test_print("----------------------");
-
-    lv_style_list_t style_list;
-    lv_style_list_init(&style_list);
-
-    lv_style_t style_first;
-    lv_style_init(&style_first);
-    _lv_style_list_add_style(&style_list, &style_first);
-
-    lv_style_t style_second;
-    lv_style_init(&style_second);
-    _lv_style_list_add_style(&style_list, &style_second);
-
-    lv_res_t found;
-    lv_coord_t value;
-    lv_opa_t opa;
-    const void * ptr;
-    lv_color_t color;
-
-    lv_test_print("Read properties set only in the firstly added style");
-
-    _lv_style_set_int(&style_first, LV_STYLE_TEXT_LINE_SPACE, 5);
-    _lv_style_set_opa(&style_first, LV_STYLE_BG_OPA, LV_OPA_50);
-    _lv_style_set_ptr(&style_first, LV_STYLE_TEXT_FONT, LV_THEME_DEFAULT_FONT_NORMAL);
-    _lv_style_set_color(&style_first, LV_STYLE_BG_COLOR, LV_COLOR_RED);
-
-    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'int' property");
-    lv_test_assert_int_eq(5, value, "Get the value of an 'int' property");
-
-    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA, &opa);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'opa' property");
-    lv_test_assert_int_eq(LV_OPA_50, opa, "Get the value of an  'opa' property");
-
-    found = _lv_style_list_get_ptr(&style_list, LV_STYLE_TEXT_FONT, &ptr);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'ptr' property");
-    lv_test_assert_ptr_eq(LV_THEME_DEFAULT_FONT_NORMAL, ptr, "Get the value of a 'ptr' property");
-
-    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'color' property");
-    lv_test_assert_color_eq(LV_COLOR_RED, color, "Get the value of a 'color' property");
-
-    lv_test_print("Overwrite the properties from the second style");
-
-    _lv_style_set_int(&style_second, LV_STYLE_TEXT_LINE_SPACE, 10);
-    _lv_style_set_opa(&style_second, LV_STYLE_BG_OPA, LV_OPA_60);
-    _lv_style_set_ptr(&style_second, LV_STYLE_TEXT_FONT, LV_THEME_DEFAULT_FONT_NORMAL + 1);
-    _lv_style_set_color(&style_second, LV_STYLE_BG_COLOR, LV_COLOR_BLUE);
-
-    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an overwritten 'int' property");
-    lv_test_assert_int_eq(10, value, "Get the value of an overwritten 'int' property");
-
-    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA, &opa);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an overwritten 'opa' property");
-    lv_test_assert_int_eq(LV_OPA_60, opa, "Get the value of an overwritten 'opa' property");
-
-    found = _lv_style_list_get_ptr(&style_list, LV_STYLE_TEXT_FONT, &ptr);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an overwritten 'ptr' property");
-    lv_test_assert_ptr_eq(LV_THEME_DEFAULT_FONT_NORMAL + 1, ptr, "Get the value of an overwritten 'ptr' property");
-
-    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an overwritten 'color' property");
-    lv_test_assert_color_eq(LV_COLOR_BLUE, color, "Get the value of an overwritten 'color' property");
-
-    lv_test_print("Overwrite the properties with the local style");
-    _lv_style_list_set_local_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, 20);
-    _lv_style_list_set_local_opa(&style_list, LV_STYLE_BG_OPA, LV_OPA_70);
-    _lv_style_list_set_local_ptr(&style_list, LV_STYLE_TEXT_FONT, LV_THEME_DEFAULT_FONT_NORMAL + 2);
-    _lv_style_list_set_local_color(&style_list, LV_STYLE_BG_COLOR, LV_COLOR_LIME);
-
-    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get a local 'int' property");
-    lv_test_assert_int_eq(20, value, "Get the value of a local 'int' property");
-
-    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA, &opa);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get a local 'opa' property");
-    lv_test_assert_int_eq(LV_OPA_70, opa, "Get the value of a local 'opa' property");
-
-    found = _lv_style_list_get_ptr(&style_list, LV_STYLE_TEXT_FONT, &ptr);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get a local 'ptr' property");
-    lv_test_assert_ptr_eq(LV_THEME_DEFAULT_FONT_NORMAL + 2, ptr, "Get the value of a local'ptr' property");
-
-    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get a local 'color' property");
-    lv_test_assert_color_eq(LV_COLOR_LIME, color, "Get the value of a local'color' property");
-
-    /*Clean-up*/
-    _lv_style_list_reset(&style_list);
-}
-
-static void copy(void)
-{
-    lv_test_print("");
-    lv_test_print("Copy styles and style lists");
-    lv_test_print("---------------------------");
-
-    lv_test_print("Copy a style");
-    lv_style_t style_src;
-    lv_style_init(&style_src);
-    _lv_style_set_int(&style_src, LV_STYLE_TEXT_LINE_SPACE, 5);
-
-    lv_style_t style_dest;
-    lv_style_init(&style_dest);
-    lv_style_copy(&style_dest, &style_src);
-
-    int16_t weight;
-    lv_coord_t value;
-
-    weight = _lv_style_get_int(&style_dest, LV_STYLE_TEXT_LINE_SPACE, &value);
-    lv_test_assert_int_eq(0, weight, "Get a copied property from a style");
-    lv_test_assert_int_eq(5, value, "Get the value of a copied from a property");
-
-    lv_test_print("Copy a style list");
-    lv_style_list_t list_src;
-    lv_style_list_init(&list_src);
-    _lv_style_list_add_style(&list_src, &style_src);
-    _lv_style_list_set_local_int(&list_src, LV_STYLE_LINE_DASH_WIDTH, 20);
-
-    lv_style_list_t list_dest;
-    lv_style_list_init(&list_dest);
-    lv_style_list_copy(&list_dest, &list_src);
-
-    lv_res_t found;
-    found = _lv_style_list_get_int(&list_dest, LV_STYLE_TEXT_LINE_SPACE, &value);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get a copied property from a list");
-    lv_test_assert_int_eq(5, value, "Get the value of a copied property from a list");
-    found = _lv_style_list_get_int(&list_dest, LV_STYLE_LINE_DASH_WIDTH, &value);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get a copied local property from a list");
-    lv_test_assert_int_eq(20, value, "Get the value of a copied local property from a list");
-
-    /*Clean up*/
-    _lv_style_list_reset(&list_dest);
-    _lv_style_list_reset(&list_src);
-
-    lv_style_reset(&style_dest);
-    lv_style_reset(&style_src);
-}
-
-static void states(void)
-{
-    lv_test_print("");
-    lv_test_print("Test style states:");
-    lv_test_print("------------------");
-
-    lv_style_list_t style_list;
-    lv_style_list_init(&style_list);
-
-    lv_style_t style_first;
-    lv_style_init(&style_first);
-    _lv_style_list_add_style(&style_list, &style_first);
-
-    lv_style_t style_second;
-    lv_style_init(&style_second);
-    _lv_style_list_add_style(&style_list, &style_second);
-
-    lv_test_print("Test state precedence in 1 style");
-    _lv_style_set_int(&style_first, LV_STYLE_TEXT_LINE_SPACE, 5);
-    _lv_style_set_int(&style_first, LV_STYLE_TEXT_LINE_SPACE | (LV_STATE_CHECKED) << LV_STYLE_STATE_POS, 6);
-    _lv_style_set_int(&style_first, LV_STYLE_TEXT_LINE_SPACE | (LV_STATE_PRESSED) << LV_STYLE_STATE_POS, 7);
-
-    lv_res_t found;
-    lv_coord_t value;
-
-    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'int' property in normal state");
-    lv_test_assert_int_eq(5, value, "Get the value of an 'int' property in normal state");
-
-    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE | (LV_STATE_CHECKED) << LV_STYLE_STATE_POS, &value);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'int' property in checked state");
-    lv_test_assert_int_eq(6, value, "Get the value of an 'int' in checked state");
-
-    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE | (LV_STATE_PRESSED) << LV_STYLE_STATE_POS, &value);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'int' property in pressed state");
-    lv_test_assert_int_eq(7, value, "Get the value of an 'int' in pressed state");
-
-    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE | (LV_STATE_HOVERED) << LV_STYLE_STATE_POS, &value);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'int' property in hover (unspecified) state");
-    lv_test_assert_int_eq(5, value, "Get the value of an 'int' in hover (unspecified) state");
-
-    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE | (LV_STATE_CHECKED | LV_STATE_PRESSED | LV_STATE_HOVERED) << LV_STYLE_STATE_POS, &value);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'int' property in checked pressed hovered state");
-    lv_test_assert_int_eq(7, value, "Get the value of an 'int' in checked pressed hovered state");
-
-    lv_test_print("Test state precedence in 1 style with combined states");
-    _lv_style_set_opa(&style_first, LV_STYLE_BG_OPA, LV_OPA_50);
-    _lv_style_set_opa(&style_first, LV_STYLE_BG_OPA | (LV_STATE_CHECKED | LV_STATE_PRESSED) << LV_STYLE_STATE_POS, LV_OPA_60);
-
-    lv_opa_t opa;
-    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA , &opa);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'opa' property in normal state");
-    lv_test_assert_int_eq(LV_OPA_50, opa, "Get the value of an 'int' in normal state");
-
-    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA | (LV_STATE_CHECKED) << LV_STYLE_STATE_POS, &opa);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'opa' property in checked (unspecified) state");
-    lv_test_assert_int_eq(LV_OPA_50, opa, "Get the value of an 'int' in checked (unspecified) state");
-
-    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA | (LV_STATE_CHECKED | LV_STATE_PRESSED) << LV_STYLE_STATE_POS, &opa);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'opa' property in checked pressed state");
-    lv_test_assert_int_eq(LV_OPA_60, opa, "Get the value of an 'int' in checked pressed state");
-
-    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA | (LV_STATE_CHECKED | LV_STATE_PRESSED | LV_STATE_HOVERED) << LV_STYLE_STATE_POS, &opa);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'opa' property in checked pressed hovered state");
-    lv_test_assert_int_eq(LV_OPA_60, opa, "Get the value of an 'int' in checked pressed hovered state");
-
-    lv_test_print("Test state precedence in 2 styles");
-    _lv_style_set_color(&style_first, LV_STYLE_BG_COLOR, LV_COLOR_YELLOW);
-    _lv_style_set_color(&style_first, LV_STYLE_BG_COLOR | (LV_STATE_HOVERED) << LV_STYLE_STATE_POS, LV_COLOR_RED);
-    _lv_style_set_color(&style_second, LV_STYLE_BG_COLOR | (LV_STATE_CHECKED) << LV_STYLE_STATE_POS, LV_COLOR_LIME);
-    _lv_style_set_color(&style_second, LV_STYLE_BG_COLOR | (LV_STATE_HOVERED | LV_STATE_PRESSED) << LV_STYLE_STATE_POS, LV_COLOR_BLUE);
-
-    lv_color_t color;
-
-    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get a 'color' property in normal state");
-    lv_test_assert_color_eq(LV_COLOR_YELLOW, color, "Get the value of a 'color' property in normal state");
-
-    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR | (LV_STATE_HOVERED) << LV_STYLE_STATE_POS, &color);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get a 'color' property in hovered state");
-    lv_test_assert_color_eq(LV_COLOR_RED, color, "Get the value of a 'color' in hovered state");
-
-    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR | (LV_STATE_CHECKED) << LV_STYLE_STATE_POS, &color);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get a 'color' property in checked state");
-    lv_test_assert_color_eq(LV_COLOR_LIME, color, "Get the value of a 'color' in checked state");
-
-    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR | (LV_STATE_HOVERED | LV_STATE_PRESSED) << LV_STYLE_STATE_POS, &color);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get a 'color' property in hover pressed state");
-    lv_test_assert_color_eq(LV_COLOR_BLUE, color, "Get the value of a 'color' in hover pressed state");
-
-    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR | (LV_STATE_EDITED) << LV_STYLE_STATE_POS, &color);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get a 'color' property in edit (unspecified) state");
-    lv_test_assert_color_eq(LV_COLOR_YELLOW, color, "Get the value of a 'color' in edit (unspecified) state");
-
-    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR | (LV_STATE_CHECKED | LV_STATE_EDITED) << LV_STYLE_STATE_POS, &color);
-    lv_test_assert_int_eq(LV_RES_OK, found, "Get a 'color' property in checked edit state");
-    lv_test_assert_color_eq(LV_COLOR_LIME, color, "Get the value of a 'color' in checked edit state");
-
-    /*Clean-up*/
-    _lv_style_list_reset(&style_list);
-}
-
-static void mem_leak(void)
-{
-
-    lv_test_print("");
-    lv_test_print("Test style  set, add, remove memory leak");
-    lv_test_print("----------------------------------------");
-
-    lv_mem_monitor_t mon_start;
-    lv_mem_monitor_t mon_end;
-
-    lv_style_list_t style_list;
-    lv_style_list_init(&style_list);
-
-    lv_style_t style1;
-    lv_style_init(&style1);
-
-    lv_style_t style2;
-    lv_style_init(&style2);
-
-    lv_style_t style3;
-    lv_style_init(&style3);
-
-    uint32_t i;
-
-    lv_test_print("Set style properties");
-    lv_mem_monitor(&mon_start);
-    for(i = 0; i < 100; i++) {
-        _lv_style_set_color(&style2, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
-
-        _lv_style_set_color(&style3, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
-        _lv_style_set_color(&style3, LV_STYLE_LINE_COLOR | (LV_STATE_EDITED) << LV_STYLE_STATE_POS, LV_COLOR_BLUE);
-        _lv_style_set_color(&style3, LV_STYLE_LINE_COLOR, LV_COLOR_BLUE);
-        _lv_style_set_color(&style3, LV_STYLE_LINE_COLOR | (LV_STATE_EDITED | LV_STATE_FOCUSED) << LV_STYLE_STATE_POS, LV_COLOR_GREEN);
-
-        _lv_style_set_color(&style3, LV_STYLE_BG_COLOR, LV_COLOR_RED);
-
-        _lv_style_set_color(&style3, LV_STYLE_IMAGE_RECOLOR, LV_COLOR_RED);
-
-        lv_style_reset(&style1);
-        lv_style_reset(&style2);
-        lv_style_reset(&style3);
-
-    }
-
-    lv_test_assert_int_eq(LV_RES_OK, lv_mem_test(), "Memory integrity check");
-    lv_mem_defrag();
-    lv_mem_monitor(&mon_end);
-    lv_test_assert_int_lt(sizeof(void*) * 8, mon_start.free_size - mon_end.free_size, "Style memory leak");
-
-    lv_test_print("Use local style");
-    lv_mem_monitor(&mon_start);
-    for(i = 0; i < 100; i++) {
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_TEXT_FONT | (LV_STATE_PRESSED) << LV_STYLE_STATE_POS, LV_THEME_DEFAULT_FONT_NORMAL);
-
-        _lv_style_list_reset(&style_list);
-
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_TEXT_FONT | (LV_STATE_PRESSED) << LV_STYLE_STATE_POS, NULL);
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
-
-        _lv_style_list_reset(&style_list);
-    }
-
-    _lv_style_list_reset(&style_list);
-    lv_test_assert_int_eq(LV_RES_OK, lv_mem_test(), "Memory integrity check");
-    lv_mem_defrag();
-    lv_mem_monitor(&mon_end);
-    lv_test_assert_int_lt(sizeof(void*) * 8, mon_start.free_size - mon_end.free_size, "Style memory leak");
-
-    lv_test_print("Add styles");
-    lv_mem_monitor(&mon_start);
-    for(i = 0; i < 100; i++) {
-        _lv_style_set_color(&style1, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
-        _lv_style_set_color(&style2, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
-        _lv_style_set_color(&style3, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
-
-        _lv_style_list_add_style(&style_list, &style1);
-        _lv_style_list_remove_style(&style_list, &style1);
-
-        _lv_style_list_add_style(&style_list, &style2);
-        _lv_style_list_add_style(&style_list, &style3);
-
-        _lv_style_list_remove_style(&style_list, &style2);
-        _lv_style_list_add_style(&style_list, &style1);
-
-        _lv_style_list_reset(&style_list);
-        lv_style_reset(&style1);
-        lv_style_reset(&style2);
-        lv_style_reset(&style3);
-    }
-
-    lv_test_assert_int_eq(LV_RES_OK, lv_mem_test(), "Memory integrity check");
-    lv_mem_defrag();
-    lv_mem_monitor(&mon_end);
-    lv_test_assert_int_lt(sizeof(void*) * 8, mon_start.free_size - mon_end.free_size, "Style memory leak");
-
-    lv_test_print("Add styles and use local style");
-     lv_mem_monitor(&mon_start);
-     for(i = 0; i < 100; i++) {
-         _lv_style_set_color(&style1, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
-         _lv_style_set_color(&style2, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
-         _lv_style_set_color(&style3, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
-
-         if(i % 2 == 0) _lv_style_list_set_local_color(&style_list, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
-
-         _lv_style_list_add_style(&style_list, &style1);
-         _lv_style_list_remove_style(&style_list, &style1);
-
-         _lv_style_list_add_style(&style_list, &style2);
-         _lv_style_list_add_style(&style_list, &style3);
-
-         _lv_style_list_remove_style(&style_list, &style2);
-         _lv_style_list_add_style(&style_list, &style1);
-
-         if(i % 2 != 0) _lv_style_list_set_local_color(&style_list, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
-
-         _lv_style_list_reset(&style_list);
-         lv_style_reset(&style1);
-         lv_style_reset(&style2);
-         lv_style_reset(&style3);
-     }
-
-     lv_test_assert_int_eq(LV_RES_OK, lv_mem_test(), "Memory integrity check");
-     lv_mem_defrag();
-     lv_mem_monitor(&mon_end);
-     lv_test_assert_int_lt(sizeof(void*) * 8, mon_start.free_size - mon_end.free_size, "Style memory leak");
-
-    lv_test_print("Complex test");
-
-    lv_mem_monitor(&mon_start);
-
-    for(i = 0; i < 100; i++) {
-        if(i % 2 == 0) {
-            _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_CLOSE);
-        }
-
-        _lv_style_set_color(&style1, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
-        _lv_style_set_color(&style1, LV_STYLE_LINE_COLOR | (LV_STATE_EDITED) << LV_STYLE_STATE_POS, LV_COLOR_BLUE);
-        _lv_style_set_color(&style1, LV_STYLE_LINE_COLOR, LV_COLOR_BLUE);
-        _lv_style_set_color(&style1, LV_STYLE_LINE_COLOR | (LV_STATE_EDITED | LV_STATE_FOCUSED) << LV_STYLE_STATE_POS, LV_COLOR_GREEN);
-
-        _lv_style_list_add_style(&style_list, &style1);
-
-        if(i % 4 == 0) {
-            _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_CLOSE);
-        }
-
-        _lv_style_list_remove_style(&style_list, &style1);
-
-        _lv_style_set_opa(&style2, LV_STYLE_TEXT_OPA, LV_OPA_10);
-        _lv_style_set_opa(&style2, LV_STYLE_TEXT_OPA, LV_OPA_20);
-        _lv_style_set_opa(&style2, LV_STYLE_TEXT_OPA, LV_OPA_30);
-        _lv_style_set_opa(&style2, LV_STYLE_TEXT_OPA, LV_OPA_40);
-        _lv_style_set_opa(&style2, LV_STYLE_TEXT_OPA, LV_OPA_50);
-        _lv_style_set_opa(&style2, LV_STYLE_TEXT_OPA, LV_OPA_60);
-
-        _lv_style_list_add_style(&style_list, &style2);
-
-        if(i % 8 == 0) {
-            _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_CLOSE);
-        }
-
-        _lv_style_list_add_style(&style_list, &style2);
-        _lv_style_list_add_style(&style_list, &style2);
-        _lv_style_list_add_style(&style_list, &style2);
-        _lv_style_list_add_style(&style_list, &style2);
-        _lv_style_list_remove_style(&style_list, &style2);
-
-        _lv_style_set_int(&style3, LV_STYLE_PAD_LEFT, 10);
-        _lv_style_set_int(&style3, LV_STYLE_PAD_RIGHT, 20);
-        _lv_style_set_int(&style3, LV_STYLE_PAD_LEFT, 11);
-        _lv_style_set_int(&style3, LV_STYLE_PAD_RIGHT, 21);
-        _lv_style_set_int(&style3, LV_STYLE_PAD_LEFT, 12);
-        _lv_style_set_int(&style3, LV_STYLE_PAD_RIGHT, 22);
-        _lv_style_set_int(&style3, LV_STYLE_PAD_LEFT, 12);
-        _lv_style_set_int(&style3, LV_STYLE_PAD_RIGHT, 23);
-
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_TEXT_FONT | (LV_STATE_PRESSED) << LV_STYLE_STATE_POS, LV_THEME_DEFAULT_FONT_NORMAL);
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_TEXT_FONT | (LV_STATE_PRESSED) << LV_STYLE_STATE_POS, NULL);
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
-        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
-
-        _lv_style_list_add_style(&style_list, &style3);
-        _lv_style_list_add_style(&style_list, &style2);
-        _lv_style_list_add_style(&style_list, &style1);
-
-        _lv_style_list_reset(&style_list);
-        lv_style_reset(&style1);
-        lv_style_reset(&style2);
-        lv_style_reset(&style3);
-
-    }
-
-    _lv_style_list_reset(&style_list);
-    lv_style_reset(&style1);
-    lv_style_reset(&style2);
-    lv_style_reset(&style3);
-
-    lv_test_assert_int_eq(LV_RES_OK, lv_mem_test(), "Memory integrity check");
-    lv_mem_defrag();
-    lv_mem_monitor(&mon_end);
-    lv_test_assert_int_lt(sizeof(void*) * 8, mon_start.free_size - mon_end.free_size, "Style memory leak");
-}
-#endif
+///**
+// * @file lv_test_style.c
+// *
+// */
+//
+///*********************
+// *      INCLUDES
+// *********************/
+//#include "../../lvgl.h"
+//#include "../lv_test_assert.h"
+//#include "lv_test_style.h"
+//
+//#if LV_BUILD_TEST
+//
+///*********************
+// *      DEFINES
+// *********************/
+//
+///**********************
+// *      TYPEDEFS
+// **********************/
+//
+///**********************
+// *  STATIC PROTOTYPES
+// **********************/
+//static void empty_style(void);
+//static void add_remove_read_prop(void);
+//static void cascade(void);
+//static void copy(void);
+//static void states(void);
+//static void mem_leak(void);
+//
+///**********************
+// *  STATIC VARIABLES
+// **********************/
+//
+///**********************
+// *      MACROS
+// **********************/
+//
+///**********************
+// *   GLOBAL FUNCTIONS
+// **********************/
+//
+//void lv_test_style(void)
+//{
+//    lv_test_print("");
+//    lv_test_print("====================");
+//    lv_test_print("Start lv_style tests");
+//    lv_test_print("====================");
+//
+//    empty_style();
+//    add_remove_read_prop();
+//    cascade();
+//    copy();
+//    states();
+//    mem_leak();
+//}
+//
+///**********************
+// *   STATIC FUNCTIONS
+// **********************/
+//
+//static void empty_style(void)
+//{
+//    lv_test_print("");
+//    lv_test_print("Test empty styles:");
+//    lv_test_print("-----------------");
+//
+//    lv_res_t found;
+//    lv_coord_t value;
+//    lv_opa_t opa;
+//    const void * ptr;
+//    lv_color_t color;
+//
+//    lv_test_print("Get a properties from an empty style");
+//
+//    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
+//    lv_test_assert_int_eq(LV_RES_INV, found, "Get an 'int' property");
+//
+//    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA, &opa);
+//    lv_test_assert_int_eq(LV_RES_INV, found, "Get an 'opa' property");
+//
+//    found = _lv_style_list_get_ptr(&style_list, LV_STYLE_TEXT_FONT, &ptr);
+//    lv_test_assert_int_eq(LV_RES_INV, found, "Get a 'ptr' property");
+//
+//    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
+//    lv_test_assert_int_eq(LV_RES_INV, found, "Get a 'color' property");
+//}
+//
+//static void add_remove_read_prop(void)
+//{
+//    lv_test_print("");
+//    lv_test_print("Add, remove and read properties:");
+//    lv_test_print("--------------------------------");
+//
+//    lv_style_list_t style_list;
+//    lv_style_list_init(&style_list);
+//
+//    lv_style_t style;
+//    lv_style_init(&style);
+//
+//    _lv_style_list_add_style(&style_list, &style);
+//
+//    lv_res_t found;
+//    lv_coord_t value;
+//    lv_opa_t opa;
+//    const void * ptr;
+//    lv_color_t color;
+//
+//    lv_test_print("Add an empty style and read properties");
+//
+//    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
+//    lv_test_assert_int_eq(LV_RES_INV, found, "Get a non existing 'int' property");
+//
+//    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA, &opa);
+//    lv_test_assert_int_eq(LV_RES_INV, found, "Get a non existing 'opa' property");
+//
+//    found = _lv_style_list_get_ptr(&style_list, LV_STYLE_TEXT_FONT, &ptr);
+//    lv_test_assert_int_eq(LV_RES_INV, found, "Get a non existing 'ptr' property");
+//
+//    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
+//    lv_test_assert_int_eq(LV_RES_INV, found, "Get a non existing 'color' property");
+//
+//    lv_test_print("Set properties and read back the values");
+//    _lv_style_set_int(&style, LV_STYLE_TEXT_LINE_SPACE, 5);
+//    _lv_style_set_opa(&style, LV_STYLE_BG_OPA, LV_OPA_50);
+//    _lv_style_set_ptr(&style, LV_STYLE_TEXT_FONT, LV_THEME_DEFAULT_FONT_NORMAL);
+//    _lv_style_set_color(&style, LV_STYLE_BG_COLOR, LV_COLOR_RED);
+//
+//    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an existing 'int' property");
+//    lv_test_assert_int_eq(5, value, "Get the value of an 'int' property");
+//
+//    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA, &opa);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an existing 'opa' property");
+//    lv_test_assert_int_eq(LV_OPA_50, opa, "Get the value of an  'opa' property");
+//
+//    found = _lv_style_list_get_ptr(&style_list, LV_STYLE_TEXT_FONT, &ptr);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an existing 'ptr' property");
+//    lv_test_assert_ptr_eq(LV_THEME_DEFAULT_FONT_NORMAL, ptr, "Get the value of a 'ptr' property");
+//
+//    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an existing 'color' property");
+//    lv_test_assert_color_eq(LV_COLOR_RED, color, "Get the value of a 'color' property");
+//
+//    lv_test_print("Reset the style");
+//    lv_style_reset(&style);
+//    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
+//    lv_test_assert_int_eq(LV_RES_INV, found, "Get an 'int' property from a reseted style");
+//
+//    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA, &opa);
+//    lv_test_assert_int_eq(LV_RES_INV, found, "Get an 'opa' property from a reseted style");
+//
+//    found = _lv_style_list_get_ptr(&style_list, LV_STYLE_TEXT_FONT, &ptr);
+//    lv_test_assert_int_eq(LV_RES_INV, found, "Get an 'ptr' property from a reseted style");
+//
+//    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
+//    lv_test_assert_int_eq(LV_RES_INV, found, "Get an 'color' property from a reseted style");
+//
+//    /*Clean-up*/
+//    _lv_style_list_reset(&style_list);
+//}
+//
+//static void cascade(void)
+//{
+//    lv_test_print("");
+//    lv_test_print("Cascade style styles:");
+//    lv_test_print("----------------------");
+//
+//    lv_style_list_t style_list;
+//    lv_style_list_init(&style_list);
+//
+//    lv_style_t style_first;
+//    lv_style_init(&style_first);
+//    _lv_style_list_add_style(&style_list, &style_first);
+//
+//    lv_style_t style_second;
+//    lv_style_init(&style_second);
+//    _lv_style_list_add_style(&style_list, &style_second);
+//
+//    lv_res_t found;
+//    lv_coord_t value;
+//    lv_opa_t opa;
+//    const void * ptr;
+//    lv_color_t color;
+//
+//    lv_test_print("Read properties set only in the firstly added style");
+//
+//    _lv_style_set_int(&style_first, LV_STYLE_TEXT_LINE_SPACE, 5);
+//    _lv_style_set_opa(&style_first, LV_STYLE_BG_OPA, LV_OPA_50);
+//    _lv_style_set_ptr(&style_first, LV_STYLE_TEXT_FONT, LV_THEME_DEFAULT_FONT_NORMAL);
+//    _lv_style_set_color(&style_first, LV_STYLE_BG_COLOR, LV_COLOR_RED);
+//
+//    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'int' property");
+//    lv_test_assert_int_eq(5, value, "Get the value of an 'int' property");
+//
+//    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA, &opa);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'opa' property");
+//    lv_test_assert_int_eq(LV_OPA_50, opa, "Get the value of an  'opa' property");
+//
+//    found = _lv_style_list_get_ptr(&style_list, LV_STYLE_TEXT_FONT, &ptr);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'ptr' property");
+//    lv_test_assert_ptr_eq(LV_THEME_DEFAULT_FONT_NORMAL, ptr, "Get the value of a 'ptr' property");
+//
+//    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'color' property");
+//    lv_test_assert_color_eq(LV_COLOR_RED, color, "Get the value of a 'color' property");
+//
+//    lv_test_print("Overwrite the properties from the second style");
+//
+//    _lv_style_set_int(&style_second, LV_STYLE_TEXT_LINE_SPACE, 10);
+//    _lv_style_set_opa(&style_second, LV_STYLE_BG_OPA, LV_OPA_60);
+//    _lv_style_set_ptr(&style_second, LV_STYLE_TEXT_FONT, LV_THEME_DEFAULT_FONT_NORMAL + 1);
+//    _lv_style_set_color(&style_second, LV_STYLE_BG_COLOR, LV_COLOR_BLUE);
+//
+//    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an overwritten 'int' property");
+//    lv_test_assert_int_eq(10, value, "Get the value of an overwritten 'int' property");
+//
+//    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA, &opa);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an overwritten 'opa' property");
+//    lv_test_assert_int_eq(LV_OPA_60, opa, "Get the value of an overwritten 'opa' property");
+//
+//    found = _lv_style_list_get_ptr(&style_list, LV_STYLE_TEXT_FONT, &ptr);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an overwritten 'ptr' property");
+//    lv_test_assert_ptr_eq(LV_THEME_DEFAULT_FONT_NORMAL + 1, ptr, "Get the value of an overwritten 'ptr' property");
+//
+//    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an overwritten 'color' property");
+//    lv_test_assert_color_eq(LV_COLOR_BLUE, color, "Get the value of an overwritten 'color' property");
+//
+//    lv_test_print("Overwrite the properties with the local style");
+//    _lv_style_list_set_local_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, 20);
+//    _lv_style_list_set_local_opa(&style_list, LV_STYLE_BG_OPA, LV_OPA_70);
+//    _lv_style_list_set_local_ptr(&style_list, LV_STYLE_TEXT_FONT, LV_THEME_DEFAULT_FONT_NORMAL + 2);
+//    _lv_style_list_set_local_color(&style_list, LV_STYLE_BG_COLOR, LV_COLOR_LIME);
+//
+//    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get a local 'int' property");
+//    lv_test_assert_int_eq(20, value, "Get the value of a local 'int' property");
+//
+//    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA, &opa);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get a local 'opa' property");
+//    lv_test_assert_int_eq(LV_OPA_70, opa, "Get the value of a local 'opa' property");
+//
+//    found = _lv_style_list_get_ptr(&style_list, LV_STYLE_TEXT_FONT, &ptr);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get a local 'ptr' property");
+//    lv_test_assert_ptr_eq(LV_THEME_DEFAULT_FONT_NORMAL + 2, ptr, "Get the value of a local'ptr' property");
+//
+//    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get a local 'color' property");
+//    lv_test_assert_color_eq(LV_COLOR_LIME, color, "Get the value of a local'color' property");
+//
+//    /*Clean-up*/
+//    _lv_style_list_reset(&style_list);
+//}
+//
+//static void copy(void)
+//{
+//    lv_test_print("");
+//    lv_test_print("Copy styles and style lists");
+//    lv_test_print("---------------------------");
+//
+//    lv_test_print("Copy a style");
+//    lv_style_t style_src;
+//    lv_style_init(&style_src);
+//    _lv_style_set_int(&style_src, LV_STYLE_TEXT_LINE_SPACE, 5);
+//
+//    lv_style_t style_dest;
+//    lv_style_init(&style_dest);
+//    lv_style_copy(&style_dest, &style_src);
+//
+//    int16_t weight;
+//    lv_coord_t value;
+//
+//    weight = _lv_style_get_int(&style_dest, LV_STYLE_TEXT_LINE_SPACE, &value);
+//    lv_test_assert_int_eq(0, weight, "Get a copied property from a style");
+//    lv_test_assert_int_eq(5, value, "Get the value of a copied from a property");
+//
+//    lv_test_print("Copy a style list");
+//    lv_style_list_t list_src;
+//    lv_style_list_init(&list_src);
+//    _lv_style_list_add_style(&list_src, &style_src);
+//    _lv_style_list_set_local_int(&list_src, LV_STYLE_LINE_DASH_WIDTH, 20);
+//
+//    lv_style_list_t list_dest;
+//    lv_style_list_init(&list_dest);
+//    lv_style_list_copy(&list_dest, &list_src);
+//
+//    lv_res_t found;
+//    found = _lv_style_list_get_int(&list_dest, LV_STYLE_TEXT_LINE_SPACE, &value);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get a copied property from a list");
+//    lv_test_assert_int_eq(5, value, "Get the value of a copied property from a list");
+//    found = _lv_style_list_get_int(&list_dest, LV_STYLE_LINE_DASH_WIDTH, &value);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get a copied local property from a list");
+//    lv_test_assert_int_eq(20, value, "Get the value of a copied local property from a list");
+//
+//    /*Clean up*/
+//    _lv_style_list_reset(&list_dest);
+//    _lv_style_list_reset(&list_src);
+//
+//    lv_style_reset(&style_dest);
+//    lv_style_reset(&style_src);
+//}
+//
+//static void states(void)
+//{
+//    lv_test_print("");
+//    lv_test_print("Test style states:");
+//    lv_test_print("------------------");
+//
+//    lv_style_list_t style_list;
+//    lv_style_list_init(&style_list);
+//
+//    lv_style_t style_first;
+//    lv_style_init(&style_first);
+//    _lv_style_list_add_style(&style_list, &style_first);
+//
+//    lv_style_t style_second;
+//    lv_style_init(&style_second);
+//    _lv_style_list_add_style(&style_list, &style_second);
+//
+//    lv_test_print("Test state precedence in 1 style");
+//    _lv_style_set_int(&style_first, LV_STYLE_TEXT_LINE_SPACE, 5);
+//    _lv_style_set_int(&style_first, LV_STYLE_TEXT_LINE_SPACE | (LV_STATE_CHECKED) << LV_STYLE_STATE_POS, 6);
+//    _lv_style_set_int(&style_first, LV_STYLE_TEXT_LINE_SPACE | (LV_STATE_PRESSED) << LV_STYLE_STATE_POS, 7);
+//
+//    lv_res_t found;
+//    lv_coord_t value;
+//
+//    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE, &value);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'int' property in normal state");
+//    lv_test_assert_int_eq(5, value, "Get the value of an 'int' property in normal state");
+//
+//    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE | (LV_STATE_CHECKED) << LV_STYLE_STATE_POS, &value);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'int' property in checked state");
+//    lv_test_assert_int_eq(6, value, "Get the value of an 'int' in checked state");
+//
+//    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE | (LV_STATE_PRESSED) << LV_STYLE_STATE_POS, &value);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'int' property in pressed state");
+//    lv_test_assert_int_eq(7, value, "Get the value of an 'int' in pressed state");
+//
+//    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE | (LV_STATE_HOVERED) << LV_STYLE_STATE_POS, &value);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'int' property in hover (unspecified) state");
+//    lv_test_assert_int_eq(5, value, "Get the value of an 'int' in hover (unspecified) state");
+//
+//    found = _lv_style_list_get_int(&style_list, LV_STYLE_TEXT_LINE_SPACE | (LV_STATE_CHECKED | LV_STATE_PRESSED | LV_STATE_HOVERED) << LV_STYLE_STATE_POS, &value);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'int' property in checked pressed hovered state");
+//    lv_test_assert_int_eq(7, value, "Get the value of an 'int' in checked pressed hovered state");
+//
+//    lv_test_print("Test state precedence in 1 style with combined states");
+//    _lv_style_set_opa(&style_first, LV_STYLE_BG_OPA, LV_OPA_50);
+//    _lv_style_set_opa(&style_first, LV_STYLE_BG_OPA | (LV_STATE_CHECKED | LV_STATE_PRESSED) << LV_STYLE_STATE_POS, LV_OPA_60);
+//
+//    lv_opa_t opa;
+//    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA , &opa);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'opa' property in normal state");
+//    lv_test_assert_int_eq(LV_OPA_50, opa, "Get the value of an 'int' in normal state");
+//
+//    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA | (LV_STATE_CHECKED) << LV_STYLE_STATE_POS, &opa);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'opa' property in checked (unspecified) state");
+//    lv_test_assert_int_eq(LV_OPA_50, opa, "Get the value of an 'int' in checked (unspecified) state");
+//
+//    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA | (LV_STATE_CHECKED | LV_STATE_PRESSED) << LV_STYLE_STATE_POS, &opa);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'opa' property in checked pressed state");
+//    lv_test_assert_int_eq(LV_OPA_60, opa, "Get the value of an 'int' in checked pressed state");
+//
+//    found = _lv_style_list_get_opa(&style_list, LV_STYLE_BG_OPA | (LV_STATE_CHECKED | LV_STATE_PRESSED | LV_STATE_HOVERED) << LV_STYLE_STATE_POS, &opa);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get an 'opa' property in checked pressed hovered state");
+//    lv_test_assert_int_eq(LV_OPA_60, opa, "Get the value of an 'int' in checked pressed hovered state");
+//
+//    lv_test_print("Test state precedence in 2 styles");
+//    _lv_style_set_color(&style_first, LV_STYLE_BG_COLOR, LV_COLOR_YELLOW);
+//    _lv_style_set_color(&style_first, LV_STYLE_BG_COLOR | (LV_STATE_HOVERED) << LV_STYLE_STATE_POS, LV_COLOR_RED);
+//    _lv_style_set_color(&style_second, LV_STYLE_BG_COLOR | (LV_STATE_CHECKED) << LV_STYLE_STATE_POS, LV_COLOR_LIME);
+//    _lv_style_set_color(&style_second, LV_STYLE_BG_COLOR | (LV_STATE_HOVERED | LV_STATE_PRESSED) << LV_STYLE_STATE_POS, LV_COLOR_BLUE);
+//
+//    lv_color_t color;
+//
+//    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR, &color);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get a 'color' property in normal state");
+//    lv_test_assert_color_eq(LV_COLOR_YELLOW, color, "Get the value of a 'color' property in normal state");
+//
+//    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR | (LV_STATE_HOVERED) << LV_STYLE_STATE_POS, &color);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get a 'color' property in hovered state");
+//    lv_test_assert_color_eq(LV_COLOR_RED, color, "Get the value of a 'color' in hovered state");
+//
+//    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR | (LV_STATE_CHECKED) << LV_STYLE_STATE_POS, &color);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get a 'color' property in checked state");
+//    lv_test_assert_color_eq(LV_COLOR_LIME, color, "Get the value of a 'color' in checked state");
+//
+//    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR | (LV_STATE_HOVERED | LV_STATE_PRESSED) << LV_STYLE_STATE_POS, &color);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get a 'color' property in hover pressed state");
+//    lv_test_assert_color_eq(LV_COLOR_BLUE, color, "Get the value of a 'color' in hover pressed state");
+//
+//    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR | (LV_STATE_EDITED) << LV_STYLE_STATE_POS, &color);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get a 'color' property in edit (unspecified) state");
+//    lv_test_assert_color_eq(LV_COLOR_YELLOW, color, "Get the value of a 'color' in edit (unspecified) state");
+//
+//    found = _lv_style_list_get_color(&style_list, LV_STYLE_BG_COLOR | (LV_STATE_CHECKED | LV_STATE_EDITED) << LV_STYLE_STATE_POS, &color);
+//    lv_test_assert_int_eq(LV_RES_OK, found, "Get a 'color' property in checked edit state");
+//    lv_test_assert_color_eq(LV_COLOR_LIME, color, "Get the value of a 'color' in checked edit state");
+//
+//    /*Clean-up*/
+//    _lv_style_list_reset(&style_list);
+//}
+//
+//static void mem_leak(void)
+//{
+//
+//    lv_test_print("");
+//    lv_test_print("Test style  set, add, remove memory leak");
+//    lv_test_print("----------------------------------------");
+//
+//    lv_mem_monitor_t mon_start;
+//    lv_mem_monitor_t mon_end;
+//
+//    lv_style_list_t style_list;
+//    lv_style_list_init(&style_list);
+//
+//    lv_style_t style1;
+//    lv_style_init(&style1);
+//
+//    lv_style_t style2;
+//    lv_style_init(&style2);
+//
+//    lv_style_t style3;
+//    lv_style_init(&style3);
+//
+//    uint32_t i;
+//
+//    lv_test_print("Set style properties");
+//    lv_mem_monitor(&mon_start);
+//    for(i = 0; i < 100; i++) {
+//        _lv_style_set_color(&style2, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
+//
+//        _lv_style_set_color(&style3, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
+//        _lv_style_set_color(&style3, LV_STYLE_LINE_COLOR | (LV_STATE_EDITED) << LV_STYLE_STATE_POS, LV_COLOR_BLUE);
+//        _lv_style_set_color(&style3, LV_STYLE_LINE_COLOR, LV_COLOR_BLUE);
+//        _lv_style_set_color(&style3, LV_STYLE_LINE_COLOR | (LV_STATE_EDITED | LV_STATE_FOCUSED) << LV_STYLE_STATE_POS, LV_COLOR_GREEN);
+//
+//        _lv_style_set_color(&style3, LV_STYLE_BG_COLOR, LV_COLOR_RED);
+//
+//        _lv_style_set_color(&style3, LV_STYLE_IMAGE_RECOLOR, LV_COLOR_RED);
+//
+//        lv_style_reset(&style1);
+//        lv_style_reset(&style2);
+//        lv_style_reset(&style3);
+//
+//    }
+//
+//    lv_test_assert_int_eq(LV_RES_OK, lv_mem_test(), "Memory integrity check");
+//    lv_mem_defrag();
+//    lv_mem_monitor(&mon_end);
+//    lv_test_assert_int_lt(sizeof(void*) * 8, mon_start.free_size - mon_end.free_size, "Style memory leak");
+//
+//    lv_test_print("Use local style");
+//    lv_mem_monitor(&mon_start);
+//    for(i = 0; i < 100; i++) {
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_TEXT_FONT | (LV_STATE_PRESSED) << LV_STYLE_STATE_POS, LV_THEME_DEFAULT_FONT_NORMAL);
+//
+//        _lv_style_list_reset(&style_list);
+//
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_TEXT_FONT | (LV_STATE_PRESSED) << LV_STYLE_STATE_POS, NULL);
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
+//
+//        _lv_style_list_reset(&style_list);
+//    }
+//
+//    _lv_style_list_reset(&style_list);
+//    lv_test_assert_int_eq(LV_RES_OK, lv_mem_test(), "Memory integrity check");
+//    lv_mem_defrag();
+//    lv_mem_monitor(&mon_end);
+//    lv_test_assert_int_lt(sizeof(void*) * 8, mon_start.free_size - mon_end.free_size, "Style memory leak");
+//
+//    lv_test_print("Add styles");
+//    lv_mem_monitor(&mon_start);
+//    for(i = 0; i < 100; i++) {
+//        _lv_style_set_color(&style1, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
+//        _lv_style_set_color(&style2, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
+//        _lv_style_set_color(&style3, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
+//
+//        _lv_style_list_add_style(&style_list, &style1);
+//        _lv_style_list_remove_style(&style_list, &style1);
+//
+//        _lv_style_list_add_style(&style_list, &style2);
+//        _lv_style_list_add_style(&style_list, &style3);
+//
+//        _lv_style_list_remove_style(&style_list, &style2);
+//        _lv_style_list_add_style(&style_list, &style1);
+//
+//        _lv_style_list_reset(&style_list);
+//        lv_style_reset(&style1);
+//        lv_style_reset(&style2);
+//        lv_style_reset(&style3);
+//    }
+//
+//    lv_test_assert_int_eq(LV_RES_OK, lv_mem_test(), "Memory integrity check");
+//    lv_mem_defrag();
+//    lv_mem_monitor(&mon_end);
+//    lv_test_assert_int_lt(sizeof(void*) * 8, mon_start.free_size - mon_end.free_size, "Style memory leak");
+//
+//    lv_test_print("Add styles and use local style");
+//     lv_mem_monitor(&mon_start);
+//     for(i = 0; i < 100; i++) {
+//         _lv_style_set_color(&style1, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
+//         _lv_style_set_color(&style2, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
+//         _lv_style_set_color(&style3, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
+//
+//         if(i % 2 == 0) _lv_style_list_set_local_color(&style_list, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
+//
+//         _lv_style_list_add_style(&style_list, &style1);
+//         _lv_style_list_remove_style(&style_list, &style1);
+//
+//         _lv_style_list_add_style(&style_list, &style2);
+//         _lv_style_list_add_style(&style_list, &style3);
+//
+//         _lv_style_list_remove_style(&style_list, &style2);
+//         _lv_style_list_add_style(&style_list, &style1);
+//
+//         if(i % 2 != 0) _lv_style_list_set_local_color(&style_list, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
+//
+//         _lv_style_list_reset(&style_list);
+//         lv_style_reset(&style1);
+//         lv_style_reset(&style2);
+//         lv_style_reset(&style3);
+//     }
+//
+//     lv_test_assert_int_eq(LV_RES_OK, lv_mem_test(), "Memory integrity check");
+//     lv_mem_defrag();
+//     lv_mem_monitor(&mon_end);
+//     lv_test_assert_int_lt(sizeof(void*) * 8, mon_start.free_size - mon_end.free_size, "Style memory leak");
+//
+//    lv_test_print("Complex test");
+//
+//    lv_mem_monitor(&mon_start);
+//
+//    for(i = 0; i < 100; i++) {
+//        if(i % 2 == 0) {
+//            _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_CLOSE);
+//        }
+//
+//        _lv_style_set_color(&style1, LV_STYLE_LINE_COLOR, LV_COLOR_RED);
+//        _lv_style_set_color(&style1, LV_STYLE_LINE_COLOR | (LV_STATE_EDITED) << LV_STYLE_STATE_POS, LV_COLOR_BLUE);
+//        _lv_style_set_color(&style1, LV_STYLE_LINE_COLOR, LV_COLOR_BLUE);
+//        _lv_style_set_color(&style1, LV_STYLE_LINE_COLOR | (LV_STATE_EDITED | LV_STATE_FOCUSED) << LV_STYLE_STATE_POS, LV_COLOR_GREEN);
+//
+//        _lv_style_list_add_style(&style_list, &style1);
+//
+//        if(i % 4 == 0) {
+//            _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_CLOSE);
+//        }
+//
+//        _lv_style_list_remove_style(&style_list, &style1);
+//
+//        _lv_style_set_opa(&style2, LV_STYLE_TEXT_OPA, LV_OPA_10);
+//        _lv_style_set_opa(&style2, LV_STYLE_TEXT_OPA, LV_OPA_20);
+//        _lv_style_set_opa(&style2, LV_STYLE_TEXT_OPA, LV_OPA_30);
+//        _lv_style_set_opa(&style2, LV_STYLE_TEXT_OPA, LV_OPA_40);
+//        _lv_style_set_opa(&style2, LV_STYLE_TEXT_OPA, LV_OPA_50);
+//        _lv_style_set_opa(&style2, LV_STYLE_TEXT_OPA, LV_OPA_60);
+//
+//        _lv_style_list_add_style(&style_list, &style2);
+//
+//        if(i % 8 == 0) {
+//            _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_CLOSE);
+//        }
+//
+//        _lv_style_list_add_style(&style_list, &style2);
+//        _lv_style_list_add_style(&style_list, &style2);
+//        _lv_style_list_add_style(&style_list, &style2);
+//        _lv_style_list_add_style(&style_list, &style2);
+//        _lv_style_list_remove_style(&style_list, &style2);
+//
+//        _lv_style_set_int(&style3, LV_STYLE_PAD_LEFT, 10);
+//        _lv_style_set_int(&style3, LV_STYLE_PAD_RIGHT, 20);
+//        _lv_style_set_int(&style3, LV_STYLE_PAD_LEFT, 11);
+//        _lv_style_set_int(&style3, LV_STYLE_PAD_RIGHT, 21);
+//        _lv_style_set_int(&style3, LV_STYLE_PAD_LEFT, 12);
+//        _lv_style_set_int(&style3, LV_STYLE_PAD_RIGHT, 22);
+//        _lv_style_set_int(&style3, LV_STYLE_PAD_LEFT, 12);
+//        _lv_style_set_int(&style3, LV_STYLE_PAD_RIGHT, 23);
+//
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_TEXT_FONT | (LV_STATE_PRESSED) << LV_STYLE_STATE_POS, LV_THEME_DEFAULT_FONT_NORMAL);
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_TEXT_FONT | (LV_STATE_PRESSED) << LV_STYLE_STATE_POS, NULL);
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
+//        _lv_style_list_set_local_ptr(&style_list, LV_STYLE_PATTERN_IMAGE, LV_SYMBOL_OK);
+//
+//        _lv_style_list_add_style(&style_list, &style3);
+//        _lv_style_list_add_style(&style_list, &style2);
+//        _lv_style_list_add_style(&style_list, &style1);
+//
+//        _lv_style_list_reset(&style_list);
+//        lv_style_reset(&style1);
+//        lv_style_reset(&style2);
+//        lv_style_reset(&style3);
+//
+//    }
+//
+//    _lv_style_list_reset(&style_list);
+//    lv_style_reset(&style1);
+//    lv_style_reset(&style2);
+//    lv_style_reset(&style3);
+//
+//    lv_test_assert_int_eq(LV_RES_OK, lv_mem_test(), "Memory integrity check");
+//    lv_mem_defrag();
+//    lv_mem_monitor(&mon_end);
+//    lv_test_assert_int_lt(sizeof(void*) * 8, mon_start.free_size - mon_end.free_size, "Style memory leak");
+//}
+//#endif
diff --git a/tests/lv_test_main.c b/tests/lv_test_main.c
index f4f0a7c9c..e992ab889 100644
--- a/tests/lv_test_main.c
+++ b/tests/lv_test_main.c
@@ -4,7 +4,7 @@
 #include "lv_test_core/lv_test_core.h"
 #include "lv_test_widgets/lv_test_label.h"
 
-#if LV_BUILD_TEST
+#if LV_BUILD_TEST && !defined(LV_BUILD_TEST_NO_MAIN)
 #include <sys/time.h>
 
 #define HOR_RES 800
@@ -23,13 +23,12 @@ int main(void)
     hal_init();
 
     lv_test_core();
-    lv_test_label();
+//    lv_test_label();
 
     printf("Exit with success!\n");
     return 0;
 }
 
-#if LV_USE_FILESYSTEM
 static void * open_cb(struct _lv_fs_drv_t * drv, const char * path, lv_fs_mode_t mode)
 {
     (void) drv;
@@ -89,7 +88,6 @@ static lv_fs_res_t tell_cb(struct _lv_fs_drv_t * drv, void * file_p, uint32_t *
     return LV_FS_RES_OK;
 }
 
-#endif
 
 static void hal_init(void)
 {
@@ -106,7 +104,6 @@ static void hal_init(void)
     disp_drv.ver_res = VER_RES;
     lv_disp_drv_register(&disp_drv);
 
-#if LV_USE_FILESYSTEM
     lv_fs_drv_t drv;
     lv_fs_drv_init(&drv);                     /*Basic initialization*/
 
@@ -118,7 +115,6 @@ static void hal_init(void)
     drv.tell_cb = tell_cb;                 /*Callback to tell the cursor position  */
 
     lv_fs_drv_register(&drv);                 /*Finally register the drive*/
-#endif
 }
 #include <stdio.h>
 
diff --git a/tests/lv_test_widgets/lv_test_label.c b/tests/lv_test_widgets/lv_test_label.c
index 586ebd286..fb5c61d6f 100644
--- a/tests/lv_test_widgets/lv_test_label.c
+++ b/tests/lv_test_widgets/lv_test_label.c
@@ -1,69 +1,69 @@
-/**
- * @file lv_test_label.c
- *
- */
-
-/*********************
- *      INCLUDES
- *********************/
-#include "../../lvgl.h"
-#include "../lv_test_assert.h"
-#include "lv_test_label.h"
-
-#if LV_BUILD_TEST
-
-/*********************
- *      DEFINES
- *********************/
-
-/**********************
- *      TYPEDEFS
- **********************/
-
-/**********************
- *  STATIC PROTOTYPES
- **********************/
-static void create_copy(void);
-
-/**********************
- *  STATIC VARIABLES
- **********************/
-
-/**********************
- *      MACROS
- **********************/
-
-/**********************
- *   GLOBAL FUNCTIONS
- **********************/
-
-void lv_test_label(void)
-{
-    lv_test_print("");
-    lv_test_print("===================");
-    lv_test_print("Start lv_label tests");
-    lv_test_print("===================");
-
-#if LV_USE_LABEL
-    create_copy();
-#else
-    lv_test_print("Skip label test: LV_USE_LABEL == 0");
-#endif
-}
-
-/**********************
- *   STATIC FUNCTIONS
- **********************/
-
-static void create_copy(void)
-{
-    lv_test_print("");
-    lv_test_print("Create a label");
-    lv_test_print("---------------------------");
-
-    lv_label_create(lv_scr_act(), NULL);
-#if LV_COLOR_DEPTH == 32
-    lv_test_assert_img_eq("lv_test_img32_label_1.png", "Create a label and leave the default settings");
-#endif
-}
-#endif
+///**
+// * @file lv_test_label.c
+// *
+// */
+//
+///*********************
+// *      INCLUDES
+// *********************/
+//#include "../../lvgl.h"
+//#include "../lv_test_assert.h"
+//#include "lv_test_label.h"
+//
+//#if LV_BUILD_TEST
+//
+///*********************
+// *      DEFINES
+// *********************/
+//
+///**********************
+// *      TYPEDEFS
+// **********************/
+//
+///**********************
+// *  STATIC PROTOTYPES
+// **********************/
+//static void create_copy(void);
+//
+///**********************
+// *  STATIC VARIABLES
+// **********************/
+//
+///**********************
+// *      MACROS
+// **********************/
+//
+///**********************
+// *   GLOBAL FUNCTIONS
+// **********************/
+//
+//void lv_test_label(void)
+//{
+//    lv_test_print("");
+//    lv_test_print("===================");
+//    lv_test_print("Start lv_label tests");
+//    lv_test_print("===================");
+//
+//#if LV_USE_LABEL
+//    create_copy();
+//#else
+//    lv_test_print("Skip label test: LV_USE_LABEL == 0");
+//#endif
+//}
+//
+///**********************
+// *   STATIC FUNCTIONS
+// **********************/
+//
+//static void create_copy(void)
+//{
+//    lv_test_print("");
+//    lv_test_print("Create a label");
+//    lv_test_print("---------------------------");
+//
+//    lv_label_create(lv_scr_act(), NULL);
+//#if LV_COLOR_DEPTH == 32
+//    lv_test_assert_img_eq("lv_test_img32_label_1.png", "Create a label and leave the default settings");
+//#endif
+//}
+//#endif